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acephalousuniverse
Nov 4, 2012
There is a long history in academic music involving the use of more or less strict mathematical processes to generate content and structure in compositions. I enjoy a lot of this area of music so I thought I'd do a little writeup for NMD, not expecting it to be a huge thread but I'm sure some other people might be into it.

All this music (even though a MASSIVE range of styles and sounds are gonna be contained in this post) is often criticized for being clinical, soulless, lazy, etc. etc. I don't really care to argue. One thing I like about a lot of it is that it is relatively "unemotional" for me: it's music that evoked something natural, strange, or passive, without dragging me into my own human stuff. (edit: And, on second thought, a lot of this music is actually quite the opposite - Reich, Eastman, Schoenberg, and others made music which was explicitly political, religious, and otherwise powerful and real as any traditionally composed music. So it's not all airy aestheticism and nothing else!!)

I also think in some sense getting away from being narowly "human" is one of the best goals an artist can have, and a strict process can sometimes be a good way to do that. Everything above could be (and is) said for Oulipan literature as well, which has given us some of the best and funniest pieces of writing in history, so, here we are.


TWELVE-TONE TECHNIQUE

At the turn of the century, after strict tonality had fallen by the wayside, there was a short period of "free atonality" where composers where engaging in freewheeling, totally new, ultramodernist work. Henry Cowell, in his book New Musical Resources (which should be read by anyone interested in 20th century academic music), outlined many of the techniques of this period, including polymeter, polytempo, harmonies based on seconds or fourths instead of thirds, dissonant counterpoint, etc.

But a lot of composers were looking for something with more formal rigor, a way to organize their music logically rather than just flying by the seat of their pants all the time. Several systems were invented, but most were unique to a single composer. However, at the end of his book, Cowell hinted that another composer, Schoenberg, was going to shortly publish his own method for organizing his compositions, the twelve-tone technique. That's the one that stuck around.

Basically, the twelve-tone technique is: take all twelve notes in the scale, organize them into a row in whatever order you want, and then use that row as the basis of your composition in much the same way a composer would base his composition on the key of G or whatever. The composer often uses a matrix like this to organize his composition:



Despite what many people think, the early twelve-tone compositions were fairly free as far as the composer's decision-making goes, maybe even more so than traditional tonal music; the composer had total freedom in choosing duration, instrumentation, articulation, dynamics, form, etc. etc.

https://www.youtube.com/watch?v=xrjg3jzP2uI

TOTAL SERIALISM

This all changed when a bunch of upstart Americans got their hands on the technique and decided "what the gently caress is the row for if we're just gonna use it for pitches; let's have it decide EVERYTHING." Well, more or less. At its most extreme, the row really did determine everything from dynamics, articulation, rhythm, structure, etc. Obviously this music was fantastically difficult to play. Composing it was in some ways similar to setting up a Rube Goldberg device and then watching it all play out (not to diminish the work involved in setting it up - there is a lot of theory involved in why a composer chooses one row and not another).

A lot of people hated this music, and it is extremely "of its time." Much of the "chance" and later "minimalist" music that came in the period of the late 50s and 60s is a direct reaction against the principles of total serialism that held sway in universities after WWII.

https://www.youtube.com/watch?v=FIo15gWMheA

One of my favorite serial pieces is Milton Babbitt's All Set, which, funny enough, emulates a jazz ensemble. It even has a sort of jazzy structure, in which "ensemble" parts alternate with "solo" parts (though of course it's all strictly composed and not improvised). The title is of course a pun: "all set?" is something jazz bandleaders say and also refers to the "set" of notes in the tone row, which controls everything in the piece.

https://www.youtube.com/watch?v=s11zaVuqzlE

CONLON NANCARROW

Nancarrow was a mad genius who exiled himself to Mexico during the Red Scare and dedicated his entire life to making insanely, unbelievably complex compositions for player piano. Yes. These compositions are mostly based on multiple tempos being played at once; nobody living could play them at the time, so player pianos were the next best thing.

Nancarrow's Study No. 40, "Transcendental," has the piano playing tempos in a ratio of e against pi. Other compositions have the piano playing in as many as 5 or more tempos at the same time.

http://www.kylegann.com/cnworks.html

https://www.youtube.com/watch?v=f2gVhBxwRqg


XENAKIS

The Greek composer Iannis Xenakis is widely known for his incredible and pioneering electronic music. He is also famous for his instrumental works, in which he uses complex mathematical concepts to determine many facets of the composition - from geometry, to game theory, to stochastic theory, to physics. One of the central themes of his work is that an artistic expression in any medium can be converted directly to any other medium; the medium is in some sense arbitrary and requires only conversion.

Take for example his piece Metastasis for orchestra, which involves unique parts for over 100 violins. Xenakis was an architect in addition to a composer, and this piece is a direct translation of the Philips Pavilion into music. The curves of the building are mapped precisely onto sliding notes in the violins. The sound of the piece is also influenced by Xenakis' memories of the sounds of warfare, in which no individual gunshot was distinguishable in the general chaos, and by Einstein's physics.

Another example is Psappha, a work for percussion in which rhythmic cells taken from the poetry of Sappho are used as the basis of the entire composition.

https://www.youtube.com/watch?v=1CT5nSkePzg

JOHN CAGE AND CHANCE PROCEDURES

Cage is probably most famous for his "silent piece," 4'33", but if you know anything he's done besides that it's probably his work with the I Ching. The I Ching is a Chinese book used for divinations. The (pretty old) copy I have says the most serious and authentic way to use it is by some process of tossing sticks, but Cage used the (more common in the West) coin-flipping method (and later even had a computer program do the flipping for him!). He used to I Ching to organize works, to choose pitches and durations, and even to randomly choose words out of the dictionary to compose texts. He wasn't too strict about the method though, making adjustments "to taste" if necessary, and sometimes he even forgot exactly how he put together certain compositions.

The point here is to loosen the composer's grip on the composition, minimize artistic "ego" and imitate natural processes, which unfold on their own without any particular will behind them.

http://www.biroco.com/yijing/cage.htm

https://www.youtube.com/watch?v=B_8-B2rNw7s

REICH AND PHASING

One thing you may have noticed in pretty much everything I've posted so far is that NONE OF THE drat PROCESSES ARE AT ALL AUDIBLE TO THE AVERAGE LISTENER. Unless you have a specialized degree in the field you are probably not gonna recognize the tone row in a serial composition just by listening, and it's not at all obvious that the random poo poo going on in Cage is the result of a very specific procedure of coin flips. So who cares right.

Well, this is where the minimalists come in. Specifically Steve Reich, who wrote a short essay on this very subject that serves as a kind of manifesto.

http://ccnmtl.columbia.edu/draft/ben/feld/mod1/readings/reich.html

Music as a Gradual Process, Steve Reich posted:

I do not mean the process of composition, but rather pieces of music that are, literally, processes.

The distinctive thing about musical processes is that they determine all the note-to-note (sound-to-sound) details and the over all form simultaneously. (Think of a round or infinite canon.)

I am interested in perceptible processes. I want to be able to hear the process happening throughout the sounding music.

Reich's technique in particular was called "phasing," which he first discovered as a result of two tape players playing the same recording gradually going in and out of sync. His early tape phasing pieces were political; the quintessential example is Come Out, which uses a recording of an interview of a victim of violence during a Civil Rights protest.

https://www.youtube.com/watch?v=g0WVh1D0N50

Eventually Reich figured out how to do this with human beings, which involved two (or more) people playing the same thing, then one of them speeding up slightly until they're one beat off from the other performer, etc. etc. This resulted in a series of phasing pieces, and the technique would more or less dominate Reich's career for decades after.

https://www.youtube.com/watch?v=AnQdP03iYIo

Other "minimalist" composers used techniques that weren't as strict (Glass, Riley, Young, and the greatest of them all, the criminally undervalued Julius Eastman) so I won't discuss them in detail here.

POSTMINIMALISM

After the initial wave of minimalism, in the late 70s and 80s, a number of composers began taking the basic techniques (repetition, gradual process, dialogue with popular music) and incorporating material that the original minimalists didn't use: dissonant harmonies, more complex procedures, etc. (Eastman was ahead of his time on some of this stuff.)

One form of postminimalism popular in the New York "downtown" scene was "totalism," which was basically an attempt to fuse academic rigor in composition with a vital energy more common to popular (rock) music (so you'd have the "total" spectrum of listeners engaged, yeah?). Glenn Branca and Rhys Chatham are probably the most famous "totalists."

Kyle Gann is more famous as a critic, but he's always been a central composer in the totalist/postminimalist style as well. His hilariously outdated and corny looking website is actually a pretty good resource. This page has a bunch of free mp3s of his music and nice compositional notes to go along with them: http://www.kylegann.com/Gannaudio.html

Southern Harmony by William Duckworth is an absolutely beautiful album in this style. Duckworth combines old "shape note" church music with minimalist process and techniques. The result is pretty amazing. The recording I have also comes with a fantastic set of notes explaining the techniques behind each piece. It's also pretty impressive for the light it sheds on the original church songs - many of the "modern" dissonant harmonies you may notice are actually directly from the source material! (I can't find a youtube with music from this but you should listen to it, it's amazing.)

JOHN LUTHER ADAMS

John Luther Adams is an Alaskan composer who uses a common postminimalist technique - each instrument playing a loop of a different length, so they go in and out of sync - in a totally unique way that gives one the feeling of void or desolation inherent in the wilderness of his home state. His music is also far, far superior to the work of the elder John Adams (no relation), a fairly milquetoast minimalist imo who is nonetheless very popular.

https://www.youtube.com/watch?v=ViyldrW7ag4

ALVIN LUCIER

Lucier is known for using techniques which create audio from physical processes: the vibration of a string, the resonance of a room, etc. One of his compositions, "Music On A Long Thin Wire," was denied a copyright because the office reasoned that it was simply a demonstration of a physical effect and not a composition at all.

His most famous piece, "I Am Sitting In A Room," involves Lucier reading a short paragraph about his stuttering into a tape recorder, then playing it back and recording it on another recorder, then playing THAT tape back, etc. etc., over and over again until the natural resonance of the room takes over and his words are mangled into a series of fairly haunting and strange harmonies and ethereal tones.

https://www.youtube.com/watch?v=2jU9mJbJsQ8

JAMES TENNEY

Like Lucier, Tenney's pieces illustrate basic structural or physical conceits. His "Postcard Pieces" are a series of short minimalist works, each made up of a couple directions on a little card, which work out simple formal concepts like "start quiet and get loud and then get quiet" or similar. His piece "For Ann {Rising}" is a series of Shephard tones (basically a few notes which fade in and out in such a way that your ear is tricked into thinking they are constantly getting higher and higher rather than repeating):

https://www.youtube.com/watch?v=RqRd555v0Hg

TOM JOHNSON

Tom Johnson is one of my favorite postminimalist composers. He is much more of a "conceptualist," and his pieces are often incredibly simple (in concept, if not for the performer). His most famous work is probably the Chord Catalog, which is exactly what it says: an insanely rigorous catalog of every single combination of notes possible in one octave on the piano.

Much easier on the ear is his "Music For 88," which uses the piano to illustrate a number of basic math concepts (like multiplication tables and Pascal's triangle). The original recording features Johnson himself explaining the math before playing each piece, and it's really funny and kind of cute. It's like an ASMR video before they existed - this dude's soothing voice explaining abundant numbers to you, and then playing these pretty ambient piano pieces based on them:

https://www.youtube.com/watch?v=ykTvn-4yBJE

BRIAN ENO

Most people know the phrase "generative music" because of Brian Eno. Coming out of a pop rather than an academic context but heavily influenced by Cage and the minimalists, Eno in the 70s famously wanted to make music which would allow him to set up a process and then simply watch it play out without having to intervene again. The most pure example of this is his album Discrete Music. For the A side, Eno set up an enormous tape loop around his studio, as well as an enormous series of delays, filters, and other effects, hit a single note, and then let the thing play out. On the B side, there are three instrumental compositions based on minimalist permutations on Pachelbel's Canon.

https://www.youtube.com/watch?v=7-Vq4pmzMaE

acephalousuniverse fucked around with this message at 21:00 on May 23, 2014

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acephalousuniverse
Nov 4, 2012

Stravinsky posted:

Nice post. John Cage is definitely up there among my favorite composers. While I Ching was central to his process he also would combine this with other sources while composing. With Etudes Australes he would use a star chart to determine the pitch.

I thought I'd see you here! :)

cemaphonic posted:

Another interesting piece is Terry Riley's landmark "In C." [...]

Thanks for the OP, I've always been fascinated by this stuff, even if I don't pull it out to listen to all that often.

In C is great. I didn't think Riley's stuff was "process" oriented enough for the OP, but I do love him. My favorite pieces of his are both for saxophone - the early tape-echo piece "Poppy Nogood and the Phantom Band" (the B side of the "Rainbow In Curved Air" LP) or his saxophone quartet for ROVA, "Chanting the Light of Foresight." If you don't know that one I urge you to check it out, it's absolutely beautiful - the sax players use complex false fingerings and so on to play the whole piece in just intonation on regular saxes.


I'll confess that I finally got around to making this thread because I was playing around with an app called SphereTones I downloaded today which lets you set up different looping cycles of notes. Haha. But I have been wanting to make it for a while just because I love a lot of this music.

acephalousuniverse
Nov 4, 2012

cemaphonic posted:

Yeah, Riley in general is about as far away from process music as you can imagine - even all the tape delay effects that he uses are usually over some sort of quasi-improvisatory framework. But "In C" is an interesting exception. And yeah, Poppy Nogood is great. I'll have to keep my eye out for that other one.

It would be interesting to map 20th century composers on a graph along several axes: intention vs. chance, composition vs. improvisation, transparent process vs. open process, process vs. intuition.

When there was a "Morton Feldman mini-festival" in Pittsburgh a few years ago I got the chance to listen to some of his unreleased interviews and a talk by some of his students (and Kyle Gann). One thing they brought up was his absolute hatred of process - he refused to listen to anyone's explanation of why this note was this way because of sacred geometry or whatever - he wanted everything to "sound" and wanted to compose note-by-note, by intuition, and didn't care about anyone else. That's why it's so fascinating to hear him in conversation with Cage:

https://archive.org/details/CageFeldmanConversation1

cemaphonic posted:

Also, that Babbit piece was pretty rad. I took a music theory class with one of his old students, and she said that despite his reputation as a dogmatic defender of academic serialism, he had a ton of respect for people that could write popular music successfully, and really loved jazz, musicals, and Tin Pan Alley.

Coincidentally I watched a short documentary on Youtube about him today. It was pretty amateurishly put together but it's great fun to watch him talk. He just goes fast all the time and is super eloquent. He did love jazz and, I didn't know this, but apparently did write some popular songs for a musical. He seems like a really cool dude and great teacher.


Stravinsky posted:

I want people to watch this clip of an interview with John Cage (partly because of my own fanboyism):

https://www.youtube.com/watch?v=pcHnL7aS64Y

How are you supposed to compose when your view of what is music is so vast that to think of all the possibilities is much like looking at infinity, the very face of god. A limitless sandbox. And given free reign with so much possibility you find yourself with no possibility. I am currently reading The Man Without Qualities and within it there is a line that says, "Give a man total free hand and he will soon run his head into a wall out of sheer confusion." In this manner you would deduce that man needs constraints and limitations to work with and against to be used as some sort of base framework to build off of. Sometimes so that you have a limit toolbox with which you can use so that you can narrow down possibilities, and sometimes to give you a springboard for ideas because you really want to do something that would go against whatever your generative process determined.

This was how Calvino saw Oulipo too, as an opportunity to create ideas, and then the real "art" of it was located in the places where the constraint or process fails or falters.

In some ways it's interesting with Cage because his career as a music student started (famously) with his inability to write harmony and promise to keep banging his head against the wall of his limitation.





Here is James Tenney's Chromatic Canon for two pianos, in which a tone row is gradually built up from an open fifth, and then back down again. Tenney uses this simple arc structure in much of his music.

http://vimeo.com/8190975

acephalousuniverse fucked around with this message at 23:58 on May 23, 2014

acephalousuniverse
Nov 4, 2012
Thanks everyone for the great effort posts! More detailed talk about Xenakis's electronic music was very welcome since that's not an area I know much about in detail.

Here is a video of Tom Johnson talking about several things, including his very cool Block Designs drawing and composition project.



https://www.youtube.com/watch?v=yog-9Pntm2I

acephalousuniverse
Nov 4, 2012
Here's one to crossover with the vaporwave thread:

http://www.rockpapershotgun.com/2013/11/20/the-suite-science-paul-weir-talks-generative-music/

I guess what the guy does for the most part is mostly muzak for companies, but I think the idea of making appropriate music of indeterminate length for a specific environment (virtual or not) is interesting. Obviously a lot of people who do "sound art" or "sound installation" work do this sort of thing too (there was a John Luther Adams piece I read about that continuously played sounds based on weather and seismological data). As someone who doesn't really play videogames I actually would have thought this was a pretty common thing to do!

acephalousuniverse
Nov 4, 2012

Mixodorian posted:

Would people be interested in some kind of thread for using Max 6? Would this be the appropriate forum? This is the first time I've wandered out of D&D so I don't really know if that'd be cool for this subforum.

Great thread by the way. I remember my introduction to John Cage being a snide remark Zappa made about him on one of his live albums. Go figure.

Thanks! That's kind of funny. I'm not big into Zappa at all but I know he was super into Varese and musique concrete but at the same time pretty demanding as far as dynamic arcs and rigorous composition/band leadership so it would make sense he would make fun of hippy guy Cage.

I think a Max thread would go in Musician's Lounge? They might talk about it in an electronic music production thread or something I dunno, I haven't looked at it in ages.

Granular synthesis is real cool. Xenakis was actually pretty important in its development, I can't remember the details now though.

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acephalousuniverse
Nov 4, 2012

BKPR posted:

Thanks OP, lot of good poo poo here I hadn't heard of. What would you recommend by Eastman? I have the recording Jace Clayton made of some of his work, but that seems to focus more on Clayton's processing.

"Unjust Malaise" CD set is pretty much the definitive collection of his recordings currently. I actually wasn't even aware of the thing you mentioned so thanks!

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