In short
The episode “Composing chaos” explores how people discover what they genuinely like (beyond algorithms) and how Terry Riley’s 1964 aleatoric composition In C creates “controlled chaos.” Guests discuss In C’s structure: 53 short patterns played in order, with performers making micro-decisions (octave, volume, timing) while a steady pulse continues.
Key claims
every performance is different yet still coherent; attempts to force showy moments can inhibit the piece; the magic comes from rhythmic empathy and community listening. Notable examples include recordings by Bang on a Can (Evan Zaporin produced), solo loop-pedal cello by Maya Beiser, Ars Nova Copenhagen (voices), Acid Mother’s Temple (psychedelic rock), Africa Express (50th anniversary), and a dance version choreographed by Sasha Waltz.
Guests
Noam Hassenfeld (host/composer) and Evan Zaporin (clarinetist/composer; played In C ~500 times; produced Bang on a Can recording).
Written by AI. May contain mistakes. Listen to the episode to check what was said.
Chapters
Tap a time to open that second in VOExploring the Song 'In C'
0:18 to 0:30
Discussion about the song 'In C' and its chaotic nature.
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Exploring the Song 'In C'
2:16 to 2:50
Discussion about the song 'In C' and its chaotic nature.
“So today I wanted to tell you about my favorite song.”
Understanding 'In C' and Its Influence
2:56 to 4:08
Hosts delve into the features and impacts of 'In C' across different interpretations.
“It's called In C because it was written in the key of C major.”
The Experience of Live Performance
4:09 to 6:52
Discussion on the experience of live performances of 'In C' and its dynamic nature.
“No, this is like, my brain is always buzzing with sounds, no matter where I am.”
The Nature of Chaos in Music
6:59 to 11:12
Exploration of chaos in music and its representation in 'In C'.
“but it was in a totally different medium.”
Creating Chaos in Composition
11:18 to 14:00
Discussion on the challenges of composing chaotic music and personal reflections.
“I feel like it's an early morning thing.”
The Complexity of Chaos in Music
14:00 to 15:21
Explore the challenges of composing chaotic music and its evolving significance.
“you know, that comes out of nothing, that goes into chaos, that gets really complicated just for a second, and then it disappears.”
Understanding In C: A Musical Exploration
16:22 to 19:34
Discover the intricate nature of the piece In C and its performance dynamics.
“This is a job for Indeed sponsored jobs.”
The Emergence of Musical Patterns
19:34 to 24:12
Discuss the organic, collaborative nature of musical performance and patterns.
“And we get into rehearsal and he goes, oh, okay, well, so, you know, there's this pattern here.”
Reflections on a Personal Journey with NC
24:12 to 25:56
Reflect on the personal and musical growth experienced through NC over decades.
“either but uh it's a really amazing thing it's an unanswered question yeah We had a lot of versions of NC in this episode, and I'd love for you to check them all out.”
Show all 11 chapters
The Idea of Making Money
28:01 to 28:11
Discussion about the humorous idea of creating $15 bills and its legality.
“So I thought it would be fun if we made$15 bills.”
Transcript
Automatic transcript. May contain errors.0:00This episode is brought to you by Google Health. Stop chasing someone else's definition of health. What matters is what's healthy for you. Google Health offers a new kind of coach, built with Gemini for effortless tracking, sleep insights, and holistic coaching tailored to you. Visit googlestore.com to learn more and start a new relationship with your health. Requires Google account, Google Health app, internet, and Google Health premium subscription. Features subject to change. Availability and results vary. Not intended for medical purposes. Works independently of Gemini apps. Check responses for accuracy.
0:30Evan Ziporyn:Pros trust the Home Depot for heavy-duty storage solutions for any job site or garage. Right now, get up to 15 % off select storage and organization. Impact and water-resistant totes and shelving built to hold up to 2 ,500 pounds. Storage systems have space for all your tools and protect them in the garage, on the job site, and everywhere in between. Save time and maximize efficiency with adjustable shelving customized to your business's needs. Shop and save on pro-grade storage at the Home Depot. How pros get more done. Hello, Mara. Hey, Noah. So, you know that feeling when you're like totally obsessed with a thing, you can't stop thinking about it, and it seems like no one else really gets it the same way you do?
1:16Yeah, totally. And you don't really know why? Like, it's like a weird thing. Like, why do I like this? Yeah. Is there anything like that for you? I really like the Bon Appetit on the line videos, which is just like spend a day in a restaurant doing prep, which for my own reasons I find very sweet. Yeah. And I've been thinking about this a lot recently, especially with so many algorithms telling us what we should be watching or listening to. It feels like trying to figure out what we actually like for ourselves is a really important thing. Instead of what's being served to you. Yeah, but figuring out why we like it can be even harder.
2:02Kind of like a personal unexplainable. And we've been doing this once in a while on the show over the past few months. Just trying to answer these personal unexplainables of, you know, why can't I stop thinking about this thing? So today I wanted to tell you about my favorite song. All right. It's the piece of music I think about more than anything else. It's the one I listen to probably more than anything else. It's the one that influences the way I write music, including the music I've written for this show. But it's something that I don't really understand. It's this kind of weird blob of sound that hits different every single time you listen to it.
2:43It feels like it has a mind of its own. It feels almost like chaos. So the question I really want to figure out is, how do you actually create chaos? Like, how do you write it? Okay. So let's start with what it is. Yeah. I'm intrigued and a little scared. Fair. It's called In C because it was written in the key of C major. It's by this guy named Terry Riley, who is still alive. I think he just turned 90. But he wrote this in 1964. and since then there's been a whole bunch of recordings of In-Sea. But I want to play you my favorite one by this group called Bang on a Can. Okay. It's usually about like an hour long, but let's just start with the beginning.
3:41It's really exciting.
3:46It's kind of a polarizing piece. Like, there's this review I found that said it's the single most influential post-1960s composition by an American. And then there's this other review that I found that said, a modern vision of hell might well contain an unbroken loop of in-sea. So there you go. Yeah. So if this was like the movie of the life of Noam, and this was the soundtrack, what scene would this be scoring? Oh. The inner workings of my brain. So this is like a typewriter scene? No, this is like, my brain is always buzzing with sounds, no matter where I am. So I think this is sort of the low-key soundtrack of everything I'm doing all the time.
4:41Okay. Which might give some insight into my personality. All right. But I don't think I mean, what's interesting about this song is that it's something. What's the word? It's called aleatoric music, which is chance music, meaning that it's different every time. Okay. So the way it's written is it's not actually written out in a way. There are these 53 tiny little melodies. All the instrumentalists just play them in order and they can change whenever they want. But everyone is just making their own decisions. So the piece is sort of like a slime mold, like an amoeba that's mapping out the Tokyo subway system a little bit.
5:27So every single recording is different. It can be played by any number of people, for any instruments, at any speed.
5:38There's this recent version I love where this cellist, Maya Beiser, she played it by herself, all alone with a loop pedal. Oh, cool. So she did all the parts over herself.
5:53There's this version built on voices by Ars Nova Copenhagen.
6:00So you can hear that pulse in the background, but the voices are really taking center stage on this one.
6:10There's this crazy recording from a Japanese psychedelic rock band named Acid Mother's Temple.
6:21That one is completely insane. There's this version by Africa Express that was made for the 50th anniversary of NC, which is a mix of African and Western instruments.
6:39And I even once saw a performance of NC in dance form. In dance. Which was absolutely mind-blowing. Like, they did all the little dance moves in groups, just like people would play the little melodies and they would change together like a visual amoeba moving around the stage. It was really, like it kept the same feel of NC, but it was in a totally different medium. Yeah. And then probably the most famous recording isn't actually a version of NC, but you know the song by The Who, Bob O 'Reilly? No. You know, out here in the fields, I fought for my meals. Okay, yeah, yeah. Teenage wasteland. Oh my God.
7:24I hope this episode is just an excuse to make you do a bunch of acapella stuff. We'll see. But here's the actual song.
7:37You recognize this, right? Oh, totally. So the whole long intro of that song is influenced by NC. And Terry Riley, the guy who wrote NC, is actually the Riley in Baba O 'Reilly. Hmm. You know, you have that familiar pulse in the background, and then you just have all these little melodic moments, and it just slowly shifts until you get that iconic piano entrance. Do-do-do. Ba-ba-do-ba-do-ba-do. Psh. Okay. Okay. Anyways. Amazing. Basically, every time it is completely different. It's a different take. It's a different medium. It's just an idea that can be expressed in all kinds of different forms.
8:28All right. Let's get back to the in-sea recording that you were playing at the beginning. The bang on a can one? Yeah. Yeah. That one. Could you play me a different section of it just so I can hear how it evolves? Yeah. So it starts with that pulse, you know, the ding, ding, ding, ding, ding, ding, ding, And then the first new pattern comes in, which is ba-da, ba-da, ba-da. And everyone comes in playing that. And then they switch to the next pattern. And over the course of the piece, the whole thing starts to shift. So if I skip ahead a bit.
9:09Here's a couple minutes ahead. so that ding, ding, ding, ding, ding, that pulse is always going in the background. I don't know, maybe I'll just keep it down here while we talk. Yeah. It feels alive to me. It's a piece that feels like a bunch of little people talking to each other. They're all saying their own thing. You can hear them going like, chika-chip, chika-chip, booga-chip-chip, ba-chip, ba-chip, ba-chip.
9:40When you see this live, you can just see the notes bouncing around the stage. The musicians are literally having conversations through their music. You know, they're pointing at each other. You know, the clarinetist will play this one melody and point at the violinist who will respond with the same melody in a different beat. and it does feel like you are watching some type of, I don't know, people talking in a restaurant or people on the subway. It feels like you're watching some type of living thing happen just in music. This piece to me feels like a little world in a globe coming alive. It just feels like he put some notes out there and every time he's just like, hey, notes, make some music, and the notes do their thing.
10:30And then it slowly morphs. But it does so so slowly and gradually that you don't even really notice as it's happening. There's no melody. It's just this kind of, like, weird coalescing of sounds. It doesn't really build anywhere. Like, there's no beat drop. The beat never drops. I listen to this all the time and I just feel like it's about everything somehow. Like it's a song about my internal experience. It feels like it's about the universe. It's about this tenuous relationship between chaos and order that, I don't know, just feels a lot like life. I feel like it's an early morning thing. It's like about things like coming awake and coming alive, like walking in Manhattan early in the morning and slowly the city is coming alive around you or things like that, where it's just like all these little disparate pieces coalescing into the like breathing of this bigger universe.
11:40Yeah, I mean, you know mandalas, like this Buddhist tradition where people make these kind of images, this art? They're often made out of sand. And when they're done, they'll just sweep it away. They'll just kind of destroy it. And I sort of feel like that's what this is. You know, it starts so simple, just these little grains of sand. It builds to more complicated parts, builds to these tense parts.
12:11it highlights different instruments or tones but it never really feels like it resolves it just moves along in these unpredictable ways and then by the end everyone's in the same place and they all start to fade out and you just have this ding ding ding ding ding ding ding ding ding ding ding ding
12:39You know, and it just kind of disappears.
12:50And it's weird. I kind of feel like NC is unexplainable in music form. Like, we're trying to bring order to chaos in a sense, but not that much order. we respect the chaos. Yeah, like we give you this little glimpse of the unknown, but it's still mostly unknown. Yeah. And I was thinking about NC when I wrote a lot of the music for the show, you know, including the theme song. Hear it all the time. I don't know if there's a good way to play it for you. I mean, you have to acapella it now is what has to happen. Okay, so it's like...
13:34And then it fails and fails.
13:40Right? So that last bit is the unexplainable. I didn't know that was unexplainable. Oh, really? Yeah. Now you'll never unhear it. It's like the arrow in the FedEx logo. It's the arrow in the FedEx. Unexplainable. Okay. Yep. Beautiful. But yeah, when I made the theme song, I wanted to make something that kind of felt like a mandala, you know, that comes out of nothing, that goes into chaos, that gets really complicated just for a second, and then it disappears. Yeah. The thing is, though, it was really hard to write like 10 seconds of chaos or five seconds of chaos or however little the chaos was that I wrote.
14:23Just a spark of it. Yeah, just a tiny bit. And I can't even imagine writing an hour of this and having it actually still feel alive like that. And I wanted to know what actually goes into writing something that's like purposefully so chaotic and flexible. And it turns out that my teacher of this ensemble that I play, and I play in a Balinese music ensemble called the Gamalan. and turns out my teacher is the guy who produced this recording of NC by Bang on a Can. Small world, yeah. He told me that he started playing NC in the 70s and he's played it hundreds of times since then. I never imagined that over 40 years later, it would be even more vital to me than it was at that point.
15:10You know, literally every time I would come back to it, I realized there was more and more in it. And that just seems to be the case more and more every year. NC from the inside after the break.
16:03We'll see you next time.
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16:58Evan Ziporyn:I'll probably go to a Skrillex concert and I'll be waiting for their bass drop and it'll never come. Evan Zaporin has probably played In C about as much as anyone out there. I've played In C probably 500 times in my life, I would say. Evan's a clarinetist. He's a composer. He produced my favorite version of In C, performed by the Bang on a Can ensemble. And he's played it so much that he forgot when he learned it. I don't actually remember being introduced to the piece. I feel like I've always known it. So how do you introduce other people to it? It's 53 patterns, all written on one page, that Terry Riley made while riding a bus on the way to his gig as a saloon pianist in the early 60s.
17:50Seriously? Yep. Oh my God, okay. So he says, I wasn't there at the time. But it's the best piece I know to just take any group of people with goodwill and have them make something really beautiful and very memorable without fail. And the best way to do it is to just kind of have everybody understand the basic rules of the game. Play the first pattern as long as you want. Then you move on to the second one, etc. And that's about it. And when I do it with people who haven't done it before, I like to say that it's kind of like taking a hike. You don't have to be all bunched up together, but you don't want to be too far apart either, you know?
18:34As long as you're kind of within eyeshot of everybody, you're going to have a nice trip through the woods. You know, I think the thing that I love most about this is this kind of, I don't know how I'd put it, It's like a tension between really basic, simple stuff and chaos. So how do we get from these tiny regimented patterns to something that's never the same twice? You just let it happen, which is not as simple as it sounds, because you have to really realize that you can't control everything. You just do what it says to do. And there's basically a dialogue that you have with yourself where you go like, am I ready to move to the next pattern?
19:18What octave do I want to play it in? How loud do I want to play it? Do I want to fit in with the person next to me? You're just making all these micro decisions in real time. But he designed it that way. And I know this for a fact because I did tour with Terry and it was really interesting because when we first did it with him and we really didn't know him at all then and I was a little bit intimidated just to say. And we get into rehearsal and he goes, oh, okay, well, so, you know, there's this pattern here. It has this G natural up high and there's this pattern here. It has this F sharp down low.
19:52And, you know, sometimes it's cool if they kind of are going at the same time because they interact in interesting ways. So if that should happen, just kind of go with it because it's cool. And normally you'd think that that would be something you wouldn't want to have at the same time. Well, that's one thing. But the other thing is that he's the composer. If he wants it to happen, he can make it happen. So in other words, it's built into the piece that he's trying to kind of empower people to make their own choices about it and to kind of let it go where it goes. It's a platform for the players to do whatever they want to do.
20:26I mean, I was involved in one performance that was a pretty all-star performance, let's say, at a big venue, and I don't want to mention any names. But the people that were hosting it, which were quite well known, they wanted moments that were going to highlight them. And they were pretty insistent, like, look, this is the way we're doing it. But I really don't think that's the way to go with this piece. Did you notice that it changed the feeling of the piece? Well, it inhibits you. That's the thing. And I've seen this happen before. The magic of this piece is that things that just can't happen when you're kind of thinking about it, but when you're there doing it in performance, suddenly, you know, just these really remarkable crescendos happen, like group diminuendos.
21:10things suddenly get really loud, things kind of empty out to the point where you feel like the whole thing could just fall apart. But it doesn't, you know, it's not just about you. Western classical music, you know, has this kind of pesky little notation that you put in front of you and all sorts of ways to kind of distract you from actually just being as sensorially present as a musician as you should be when you play music, you know? And NC is a nice corrective to that, because if you do what he advises you to do, you're really in the middle of a room listening to a lot of people and communicating in these very small ways.
21:58But the decisions that you're making that seem very personal are actually really influenced by what's going on around you. Yeah, it almost feels like this emergent phenomenon or something, like how clouds are built out of tons of these little tiny particles. And then when they come together, they behave in all kinds of weird, unpredictable ways. Well, right, because it doesn't ever start and it doesn't ever stop. That's the thing. I mean, like, we like our narrative art to have beginnings and ends, right? You know, we're not so happy about our lives having ends, you know, but, you know, as we live them, it's very seldom that things are very clean, like, okay, this has happened, and then this happens, and this happens.
22:44Things overlap. Events don't kind of come in the right order. In a way, what's nice about NC is that it's kind of like that, right? Like, there's all sorts of things that happen, but they happen really organically. You mentioned something that you didn't expect this to be as vital to your life 40 years ago as it is, and that you're always finding new things every time. And I'm wondering what you discover when you listen to it now, having played it for decades. Yeah, that's a great question. I guess it's different from performance to performance, but I think what I discover, if I could generalize it, is just the power of kind of
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23:27rhythmic empathy with other people. Which has to do with a certain kind of like faith, not like a religious faith, but just like faith in community, right? yeah yeah that's like it's glorious when everybody crescendos together and nobody's told anybody to do that but everybody does it and then everybody gets soft and that's glorious and the other thing that's really amazing about it is that like you know it doesn't tell you really how to end it yeah you get to the end and it's just there and then in the instructions there's like well maybe when everybody gets the last pattern you crescendo and you crescendo it's not really clear but it is clear when you play it you're playing and you're playing and then there's like this thing that happens you go like and now we're done yeah and everybody knows it and uh i don't understand that either but uh it's a really amazing thing it's an unanswered question yeah
24:42We had a lot of versions of NC in this episode, and I'd love for you to check them all out. So, as you know, my favorite is the recording by Bang on a Can, produced by Evan. We also heard takes from Maya Beiser, Ars Nova Copenhagen, Acid Mother's Temple, Africa Express, a version for Six Laptops, and a Melodica that was recorded at Brandeis. And if you're interested in checking out the dance version of NC, it was choreographed by Sasha Waltz, and you can find it on YouTube. And there's one more version, actually. What you're listening to right now is a cover of NC that I made when I was in high school that I fully forgot about until I made this episode.
25:24I made it when I was interning at a recording studio, and I basically didn't have much to do. And I made it with some pretty crappy software instruments. So it's got none of the magic and flexibility and chaos that a real live NC recording should have. But I like listening back to it and remembering that I've been turning this piece over and over in my head since before I actually knew how to make good music. And like Evan says, I'm still finding new things in it every time. This episode was produced by me, Noam Hassenfeld. We had editing from Meredith Hodinot, who runs the show, mixing and sound design from Christian Ayala, music from me, and fact-checking from Melissa Hirsch.
26:07Jorge Just and Julia Longoria are editorial directors, and Bird Pinkerton stood back-to-back with Aaron Bird. They counted out paces, slowly walking away from each other. At 10, they spun around. Bird dodged Aaron Bird's arrow. But instead of firing back, she threw her boomerang far over his head, straight at the wooden carriage.
26:35As always, thanks to Brian Resnick for co-creating the show. And if you have any thoughts about our show, any ideas, any criticisms, any suggestions, send us an email. We love hearing from you. We're at unexplainable at vox.com, and we read every email. We'd also love it if you could leave us a review or a rating wherever you listen. It really helps us find new listeners. You can also support the show and all of Vox's journalism by joining our membership program. You can go to vox.com slash members to get ad-free podcasts and all sorts of things like unlimited access to Vox articles and member-exclusive newsletters.
27:10And if you do become a member because of us, because of Unexplainable, let us know. It would make us really happy. Unexplainable is part of the Vox Media Podcast Network. We're off next week, but we'll be back on October 20th.
27:52Hey, it's Ryan Reynolds here from Mint Mobile. Well, now, I was looking for fun ways to tell you that Mint's offer of unlimited premium wireless for$15 a month is back. So I thought it would be fun if we made$15 bills. But it turns out that's very illegal. So there goes my big idea for the commercial. Give it a try at mintmobile.com slash switch. Upfront payment of$45 for three months,$90 for six months, or$180 for 12-month plan required. $15 per month equivalent. Taxes and fees extra. Initial plan term only. Greater than 50 gigabytes may slow when network is busy. See terms.
From the publisher
Terry Riley's "In C" is one of the most influential pieces of music of the last century...but you'll never hear it the same way twice.
Guest: Evan Ziporyn, composer, clarinetist, and producer of "In C"
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