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 Forum index » DIY Hardware and Software » ChucK programming language
'In C' by Terry Riley
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jbum



Joined: Oct 24, 2006
Posts: 26
Location: Los Angeles

PostPosted: Fri Nov 03, 2006 3:27 pm    Post subject: 'In C' by Terry Riley
Subject description: A ChucK implementation using randomly repeated phrases
Reply with quote  Mark this post and the followings unread

I'm sporking this discussion from another thread... Thought it merited it's own subject line...

UPDATE: Corrected the midi note conversrion using Std.mtof().

Code:

// ChucK Performance of Terry Riley's 'In C'
//
// In this famous canon by composer Terry Riley, each performer is given the
// same set of phrases.
//
// Each performer repeats each phrase a random number of times before moving
// on to the next phrase.
//
// A single player keeps time by playing a pulse beat
// When all the players are done, the pulse continues for a while, and then stops.
//
// ChucK port 11/2006 -- Jim Bumgardner
// Original Perl Program 9/2004 -- Jim Bumgardner


// With these settings, ChucK produces about 14 minutes of music.
// A more typical 'In C' performance is 20-60 minutes.  Increase the
// min/max repetitions to achieve this...
//
240 => float bps;     // ticks/second
4 => int minRepeats;  // minimum times to repeat a phrase
10 => int maxRepeats; // maximum times to repeat a phrase

 [new StifKarp,
 new StifKarp,
 new StifKarp,
 new StifKarp,
 new StifKarp,
 new StifKarp,
 new Mandolin,
 new Mandolin,
 new Mandolin,
 new Mandolin,
 new Mandolin] @=> StkInstrument players[];

1.0/players.cap() => float mainGain;

[
  // midi pitch, vol, start-ticks, dur-ticks
  [72, 50, 0, 48],
  [72, 50, 48, 48],
  [72, 50, 96, 48],
  [72, 50, 144, 48],
  [72, 50, 192, 48],
  [72, 50, 240, 48],
  [72, 50, 288, 48],
  [72, 50, 336, 48]
] @=> int pulsePhrase[][];

// Phrases transcribed from 'In C' by Terry Riley
[
[
  // midi pitch, vol, start-ticks, dur-ticks
  [0, 63, 0, 96]
],
[
  [60, 63, 0, 6],
  [64, 63, 6, 90],
  [60, 63, 96, 6],
  [64, 63, 102, 90],
  [60, 63, 192, 6],
  [64, 63, 198, 90]
],
[
  [60, 63, 0, 6],
  [64, 63, 6, 42],
  [65, 63, 48, 48],
  [64, 63, 96, 96]
],
[
  [0, 63, 0, 48],
  [64, 63, 48, 48],
  [65, 63, 96, 48],
  [64, 63, 144, 48]
],
[
  [0, 63, 0, 48],
  [64, 63, 48, 48],
  [65, 63, 96, 48],
  [67, 63, 144, 48]
],
[
  [64, 63, 0, 48],
  [65, 63, 48, 48],
  [67, 63, 96, 48],
  [0, 63, 144, 48]
],
[
  [72, 63, 0, 768]
],
[
  [0, 63, 0, 336],
  [60, 63, 336, 24],
  [60, 63, 360, 24],
  [60, 63, 384, 48],
  [0, 63, 432, 432]
],
[
  [67, 63, 0, 576],
  [65, 63, 576, 768]
],
[
  [71, 63, 0, 24],
  [67, 63, 24, 24],
  [0, 63, 48, 336]
],
[
  [71, 48, 0, 24],
  [67, 48, 24, 24]
],
[
  [65, 48, 0, 24],
  [67, 48, 24, 24],
  [71, 48, 48, 24],
  [67, 48, 72, 24],
  [71, 48, 96, 24],
  [67, 48, 120, 24]
],
[
  [65, 63, 0, 48],
  [67, 63, 48, 48],
  [71, 63, 96, 384],
  [72, 63, 480, 96]
],
[
  [71, 63, 0, 24],
  [67, 63, 24, 72],
  [67, 63, 96, 24],
  [65, 63, 120, 24],
  [67, 63, 144, 48],
  [0, 63, 192, 72],
  [67, 63, 264, 312]
],
[
  [72, 63, 0, 384],
  [71, 63, 384, 384],
  [67, 63, 768, 384],
  [66, 63, 1152, 384]
],
[
  [67, 63, 0, 24],
  [0, 63, 24, 360]
],
[
  [67, 48, 0, 24],
  [71, 48, 24, 24],
  [72, 48, 48, 24],
  [71, 48, 72, 24]
],
[
  [71, 48, 0, 24],
  [72, 48, 24, 24],
  [71, 48, 48, 24],
  [72, 48, 72, 24],
  [71, 48, 96, 24],
  [0, 48, 120, 24]
],
[
  [64, 48, 0, 24],
  [66, 48, 24, 24],
  [64, 48, 48, 24],
  [66, 48, 72, 24],
  [64, 48, 96, 72],
  [64, 48, 168, 24]
],
[
  [0, 63, 0, 144],
  [67, 63, 144, 144]
],
[
  [64, 48, 0, 24],
  [66, 48, 24, 24],
  [64, 48, 48, 24],
  [66, 48, 72, 24],
  [55, 48, 96, 72],
  [64, 48, 168, 24],
  [66, 48, 192, 24],
  [64, 48, 216, 24],
  [66, 48, 240, 24],
  [64, 48, 264, 24]
],
[
  [66, 63, 0, 288]
],
[
  [64, 63, 0, 144],
  [64, 63, 144, 144],
  [64, 63, 288, 144],
  [64, 63, 432, 144],
  [64, 63, 576, 144],
  [66, 63, 720, 144],
  [67, 63, 864, 144],
  [69, 63, 1008, 144],
  [71, 63, 1152, 48]
],
[
  [64, 63, 0, 48],
  [66, 63, 48, 144],
  [66, 63, 192, 144],
  [66, 63, 336, 144],
  [66, 63, 480, 144],
  [66, 63, 624, 144],
  [67, 63, 768, 144],
  [69, 63, 912, 144],
  [71, 63, 1056, 96]
],
[
  [64, 63, 0, 48],
  [66, 63, 48, 48],
  [67, 63, 96, 144],
  [67, 63, 240, 144],
  [67, 63, 384, 144],
  [67, 63, 528, 144],
  [67, 63, 672, 144],
  [69, 63, 816, 144],
  [71, 63, 960, 48]
],
[
  [64, 63, 0, 48],
  [66, 63, 48, 48],
  [67, 63, 96, 48],
  [69, 63, 144, 144],
  [69, 63, 288, 144],
  [69, 63, 432, 144],
  [69, 63, 576, 144],
  [69, 63, 720, 144],
  [71, 63, 864, 144]
],
[
  [64, 63, 0, 48],
  [66, 63, 48, 48],
  [67, 63, 96, 48],
  [69, 63, 144, 48],
  [71, 63, 192, 144],
  [71, 63, 336, 144],
  [71, 63, 480, 144],
  [71, 63, 624, 144],
  [71, 63, 768, 144]
],
[
  [64, 48, 0, 24],
  [66, 48, 24, 24],
  [64, 48, 48, 24],
  [66, 48, 72, 24],
  [67, 48, 96, 48],
  [64, 48, 144, 24],
  [67, 48, 168, 24],
  [66, 48, 192, 24],
  [64, 48, 216, 24],
  [66, 48, 240, 24],
  [64, 48, 264, 24]
],
[
  [64, 48, 0, 24],
  [66, 48, 24, 24],
  [64, 48, 48, 24],
  [66, 48, 72, 24],
  [64, 48, 96, 72],
  [64, 48, 168, 24]
],
[
  [64, 63, 0, 288],
  [67, 63, 288, 288],
  [72, 63, 576, 288]
],
[
  [72, 63, 0, 576]
],
[
  [67, 48, 0, 24],
  [65, 48, 24, 24],
  [67, 48, 48, 24],
  [71, 48, 72, 24],
  [67, 48, 96, 24],
  [71, 48, 120, 24]
],
[
  [65, 48, 0, 24],
  [67, 48, 24, 24],
  [65, 48, 48, 24],
  [67, 48, 72, 24],
  [71, 48, 96, 24],
  [65, 48, 120, 312],
  [67, 48, 432, 144]
],
[
  [67, 63, 0, 24],
  [65, 63, 24, 24],
  [0, 63, 48, 48]
],
[
  [67, 48, 0, 24],
  [65, 48, 24, 24]
],
[
  [65, 48, 0, 24],
  [67, 48, 24, 24],
  [71, 48, 48, 24],
  [67, 48, 72, 24],
  [71, 48, 96, 24],
  [67, 48, 120, 24],
  [71, 48, 144, 24],
  [67, 48, 168, 24],
  [71, 48, 192, 24],
  [67, 48, 216, 24],
  [0, 48, 240, 336],
  [70, 63, 576, 96],
  [79, 63, 672, 288],
  [81, 63, 960, 48],
  [79, 63, 1008, 96],
  [83, 63, 1104, 48],
  [81, 63, 1152, 144],
  [79, 63, 1296, 48],
  [76, 63, 1344, 288],
  [79, 63, 1632, 48],
  [78, 63, 1680, 336],
  [0, 63, 2016, 240],
  [76, 63, 2256, 240],
  [77, 63, 2496, 576]
],
[
  [65, 48, 0, 24],
  [67, 48, 24, 24],
  [71, 48, 48, 24],
  [67, 48, 72, 24],
  [71, 48, 96, 24],
  [67, 48, 120, 24]
],
[
  [65, 48, 0, 24],
  [67, 48, 24, 24]
],
[
  [65, 48, 0, 24],
  [67, 48, 24, 24],
  [71, 48, 48, 24]
],
[
  [71, 48, 0, 24],
  [67, 48, 24, 24],
  [65, 48, 48, 24],
  [67, 48, 72, 24],
  [71, 48, 96, 24],
  [72, 48, 120, 24]
],
[
  [71, 48, 0, 24],
  [65, 48, 24, 24]
],
[
  [71, 48, 0, 24],
  [67, 48, 24, 24]
],
[
  [72, 63, 0, 384],
  [71, 63, 384, 384],
  [69, 63, 768, 384],
  [72, 63, 1152, 384]
],
[
  [65, 48, 0, 96],
  [64, 48, 96, 96],
  [65, 48, 192, 96],
  [64, 48, 288, 96],
  [64, 48, 384, 48],
  [64, 48, 432, 48],
  [64, 48, 480, 48],
  [65, 48, 528, 24],
  [64, 48, 552, 24]
],
[
  [77, 63, 0, 48],
  [76, 63, 48, 96],
  [76, 63, 144, 48],
  [72, 63, 192, 96]
],
[
  [74, 63, 0, 96],
  [74, 63, 96, 96],
  [67, 63, 192, 96]
],
[
  [67, 48, 0, 24],
  [74, 48, 24, 24],
  [76, 48, 48, 24],
  [74, 48, 72, 24],
  [0, 48, 96, 48],
  [67, 48, 144, 48],
  [0, 48, 192, 48],
  [67, 48, 240, 48],
  [0, 48, 288, 48],
  [67, 48, 336, 48],
  [67, 48, 384, 24],
  [74, 48, 408, 24],
  [76, 48, 432, 24],
  [74, 48, 456, 24]
],
[
  [74, 63, 0, 24],
  [76, 63, 24, 24],
  [74, 63, 48, 48]
],
[
  [67, 63, 0, 576],
  [67, 63, 576, 384],
  [65, 63, 960, 480]
],
[
  [65, 48, 0, 24],
  [67, 48, 24, 24],
  [70, 48, 48, 24],
  [67, 48, 72, 24],
  [70, 48, 96, 24],
  [67, 48, 120, 24]
],
[
  [65, 48, 0, 24],
  [67, 48, 24, 24]
],
[
  [65, 48, 0, 24],
  [67, 48, 24, 24],
  [70, 48, 48, 24]
],
[
  [67, 48, 0, 24],
  [70, 48, 24, 24]
],
[
  [70, 48, 0, 24],
  [67, 48, 24, 24]
]
] @=> int phraseList[][][];

players.cap() => int playersIn;
1 => int pulseIsPlaying;

fun int phraseLength(int ph[][])
{
   return ph[ph.cap()-1][2] + ph[ph.cap()-1][3];
}


fun   void playPhrase(int ph[][], StkInstrument voc)
{
  for (0 => int i; i < ph.cap(); ++i)
  {
   if (ph[i][0] > 0) {
     // convert midi-note to frequency
     Std.mtof(ph[i][0]) => voc.freq;
     // convert midi-vol to gain (and randomize it a bit)
     (mainGain*ph[i][1]+Std.rand2(0,9)-4)/127.0 => voc.gain;
   }
   else {
      // rest
      0 => voc.gain;
   }
   1 => voc.noteOn;
   // wait til next note...
   (ph[i][3]/bps)::second => now;
   1 => voc.noteOff;
    if (i+1 < ph.cap())
   {
      if ((ph[i+1][2] - ph[i][2]) > ph[i][3])
        ((ph[i+1][2] - (ph[i][2]+ph[i][3]))/bps)::second => now;
    }
  }    
}

// Repeat a particular phrase N times
fun void repeatPhrase(int ph[][], int n, int player)
{
  if (player >= players.cap())
  {
     <<< "Bad Player!" >>>;
  }    
   
  players[player] @=> StkInstrument voc;
  0 => voc.gain;
  20 => voc.freq;
  phraseLength(ph) => float totBeats;
  for (0 => int pp; pp < n; ++pp)
  {
    playPhrase(ph, voc);
  }      
}

// Performance by a single player
// play each phrase a random number of times
fun void doRileyPart(int player)
{
  for (0 => int p; p < phraseList.cap(); ++p)
  {
    Std.rand2(minRepeats,maxRepeats) => int nTimes;
    repeatPhrase(phraseList[p], nTimes, player);   
  }
  --playersIn; // decrement player counter, so pulse knows when to stop
}   

// Performance by the Pulse player
fun void doPulse()
{
  do {
     repeatPhrase(pulsePhrase, 1,0);
  } while (playersIn > 0);
  // Do a few more pulses to end the piece
  repeatPhrase(pulsePhrase, 8,0);
  0 => pulseIsPlaying; // Notification that we have stopped
}

// Performance by all non-pulse players
fun void doRileyParts()
{
  for (1 => int p; p < players.cap(); ++p)
    spork ~ doRileyPart(p);
}

for (0 => int i; i < players.cap(); ++i)
{
 players[i] => dac;
 0 => players[i].gain;
}

// Start the Pulse
spork ~ doPulse();

// Let him go for a bit...
(phraseLength(pulsePhrase)*4/bps)::second => now;

// Start up all the players
doRileyParts();

// Let time elapse until the pulse stops
do {
  1::second => now;
} while (pulseIsPlaying);





rileyEnsemble.ck
 Description:

Download
 Filename:  rileyEnsemble.ck
 Filesize:  9.7 KB
 Downloaded:  735 Time(s)


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Last edited by jbum on Sun Nov 05, 2006 2:02 pm; edited 4 times in total
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ge



Joined: Aug 13, 2006
Posts: 105
Location: Palo Alto, CA

PostPosted: Sat Nov 04, 2006 2:39 am    Post subject: Re: 'In C' by Terry Riley
Subject description: A ChucK implementation using randomly repeated phrases
Reply with quote  Mark this post and the followings unread

This is wonderful. One suggestion for faster download and run: if you want, include the chuck source as an attachment. .ck files should be recognized by the server.

Rock on.
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cebec



Joined: Apr 19, 2004
Posts: 1064
Location: Virginia
Audio files: 3
G2 patch files: 31

PostPosted: Sun Nov 05, 2006 1:44 pm    Post subject: Reply with quote  Mark this post and the followings unread

I receive the error:

['In C' by Terry Riley]:line(448).char(2Cool: parse error

Last edited by cebec on Sun Nov 05, 2006 2:52 pm; edited 1 time in total
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jbum



Joined: Oct 24, 2006
Posts: 26
Location: Los Angeles

PostPosted: Sun Nov 05, 2006 2:02 pm    Post subject: Reply with quote  Mark this post and the followings unread

Try it again - I forgot to turn off HTML parsing the last time I posted an update... (or download the attached version).
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mosc
Site Admin


Joined: Jan 31, 2003
Posts: 17618
Location: Allentown, PA
Audio files: 125
G2 patch files: 60

PostPosted: Sun Nov 05, 2006 4:36 pm    Post subject: Reply with quote  Mark this post and the followings unread

Very cool. Impressive. Cool
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my music and other stuff
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cebec



Joined: Apr 19, 2004
Posts: 1064
Location: Virginia
Audio files: 3
G2 patch files: 31

PostPosted: Sun Nov 05, 2006 4:45 pm    Post subject: Reply with quote  Mark this post and the followings unread

Yeah, that was terrific! It's striking how Balinese it sounds.
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Seruka



Joined: Jan 30, 2007
Posts: 1
Location: London

PostPosted: Tue Jan 30, 2007 7:52 pm    Post subject: tres bien
Subject description: in c
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Thats brilliant! Much enjoyed, although way beyond me, it doesnt actually look that daunting, I thought an in c performance in Chuck would look much more brutal, inspiring.
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chuckles



Joined: Apr 02, 2007
Posts: 72
Location: San Diego, California

PostPosted: Mon May 21, 2007 9:35 am    Post subject: Thanks Jbaum Reply with quote  Mark this post and the followings unread

I took your version of In C and went through it to try to understand it. I append my slightly modified version (mainly; I distributed the players across the stereo field using an array of Pan2's).

Thanks a lot for posting this, it was a great pedagogical experience (and sort of fun to listen to as well!)

c.


In_C_137.ck
 Description:
J. Baumgartner's ChucK version of "In C" with a few minor changes: for instance: distributed players across the stereo field using Pan2's, fixed what looked like a minor bug where the last player didn't finish, added comments, reformatted the ph

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 Filename:  In_C_137.ck
 Filesize:  13.11 KB
 Downloaded:  485 Time(s)

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chuckles



Joined: Apr 02, 2007
Posts: 72
Location: San Diego, California

PostPosted: Tue Jun 05, 2007 10:49 am    Post subject: In C split into two files... Reply with quote  Mark this post and the followings unread

Partly for my own edification, and partly to make it easier to follow: I created a separate file with the note and phrase data for the In C program in a public class. The commands and procedures are in the second file. This makes it a little more wieldy; you can follow the code flow without having to scroll over a couple hundred lines of data. (This also incidentally mimics the CSound paradigm where the "orchestra" and "score" code are separate entities...even if in the CSD format they can coexist in a single file.)

So to run it you simply chuck the In_C_phrases_01.ck file first, then the In_C_commands_01.ck file.

The number of lines seemed to be conserved; in my last version it was about 450 lines total with comments, now we have two files, one 200 and the other 240 lines long.

c.


In_C_phrases_01.ck
 Description:
In_C note and phrase data

Download
 Filename:  In_C_phrases_01.ck
 Filesize:  6.83 KB
 Downloaded:  521 Time(s)


In_C_commands_01.ck
 Description:
Procedures and code to execute the In C algorithm; ChucK this after the file In_C_phrases_01.ck

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 Filename:  In_C_commands_01.ck
 Filesize:  6.39 KB
 Downloaded:  371 Time(s)

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robhamilton



Joined: Jan 12, 2008
Posts: 5
Location: Stanford, CA

PostPosted: Mon Oct 06, 2008 5:26 pm    Post subject: iNc for Laptop Orchestra
Subject description: using Maui and tunable osc clock
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Hah, wish I had seen this thread last year.

To keep the thread going, here's a link to the version of "In C" I wrote for the Stanford Laptop Orchestra last year which we used in a network concert with performers in Beijing (+ stanford performers, 20 laptops and a bunch of acoustic instruments)

"iNc: a realization of Terry Riley's In C for lOrchestra

iNc was realized in the ChucK language for the April 29, 2008 performance of In C at Stanford University's Dinkelspeil Auditorium for the premiere performance of the Stanford Laptop Orchestra, performing alongisde the Stanford New Ensemble, Chris Chafe (celetto), and musicians in Beijing across the internet at the University of Beijing (Beida). The concert was part of the 2008 Stanford Pan Asian Music Festival."

http://ccrma.stanford.edu/~rob/inc/inC-maui.ck
http://ccrma.stanford.edu/~rob/inc/server-MAUI.ck
http://ccrma.stanford.edu/~rob/inc/instructions.pdf
http://ccrma.stanford.edu/~rob/


enjoy,

rob
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x_x



Joined: May 05, 2008
Posts: 215
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Audio files: 4

PostPosted: Mon Jan 26, 2009 12:43 pm    Post subject: Reply with quote  Mark this post and the followings unread

very cool.

This is a very difficult piece, the sheet music looks so simple but it's actually very difficult to play it correctly as an ensemble.
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telstarmagikistferrari



Joined: Jun 16, 2008
Posts: 276
Location: Indianapolis, Indiana
Audio files: 43

PostPosted: Mon Jan 26, 2009 4:11 pm    Post subject: Reply with quote  Mark this post and the followings unread

really nice.. I had enjoyed this before, nice to d/l and listen again.

this is a really interesting application of chucK.

Shocked all the 'real' musicians' worst dreams have come true! computers performing music! Shocked
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jbum



Joined: Oct 24, 2006
Posts: 26
Location: Los Angeles

PostPosted: Sat Apr 04, 2009 7:49 am    Post subject: "In C" follow up Reply with quote  Mark this post and the followings unread

An update on my "In C" project. The ChucK code I originally posted was actually a port of a Python version I made, which produced a MIDI file, some years back.

Recently, I've become very interested in antique mechanical music instruments, and have contacted a number of instrument owners who have installed MIDI controller setups on their pianolas, orchastrelles and orchestreons. I am preparing a version of "In C" which will be played on a single Orchestreon, which has piano, about 10 ranks of organ pipes, xylophone, marimba and percussion. If I manage it video tape it, I'll put it on YouTube and post it here :)

Contact me at jbum "at" jbum "dot" com for more info - I'm not too active here these days.

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