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Livecoding sequencer for monome crow

• input 1: clock
• input 2: trigger - randomize notes
• output 1: melody 1
• output 2: melody 1 envelope
• output 1: melody 2
• output 2: melody 2 envelope

Script will initialize 2 random melodies at different clock divisions. Each sequence step has properties 'note,' 'mute', 'slew' and 'eg.' When you call a function below, it will update the sequence. Updates take effect at the start of the sequence loop, and you can currently only invoke 1 update per cycle.

Functions:

ed(sequenceNumber)

• edit - Accepts numbers 1 or 2. selects which sequence will be modified when invoking functions below. Defaults as toggle between 1 and 2 if no number passed in.

rndm()

• randomize current sequence notes. Does not update other step properties mute, slew or eg.

sync(sequenceNumber)

• edit - Accepts numbers 1 or 2. sets sequence notes for sequence number passed in to same notes as other sequence.

oct(first, last, value)

• Transpose sequence steps first through last by value. All arguments optional.

  examples:

  • oct() -- transpose entire sequence up an octave
  • oct(-2) -- transpose entire sequence down 2 octaves
  • oct(4, 2) -- transpose steps 4 through the end of sequence up 2 octaves
  • oct(5, 7, -1) -- transpose steps 5 - 7 down 1 octave

mod(first, last, value)

• same arguments as oct, but transpose steps by scale degree, so if value is 3, every step will be transposed up a relative 3rd within the scale.

rv(first, last)

• arguments optional. reverse steps first - last. If no args passed in, reverse entire sequence. If only 1 arg passed in, reverse that value through the end.

rm(first, last)

• arguments optional. remove steps first - last. If no args passed in, removes entire sequence. If only 1 arg passed in, remove that value through the end.

mv(step, position)

• move step number to position number, which will shift the sequence within that range to the right or left. Step defaults to 1 and position defaults to the end of the sequence if no args are passed in.

s()

• save current sequence. Script will always store a reference to the original sequence, functions will be relative to that sequence. This way, if you call oct() in a loop, it will not continually transpose up 1 octave until it's in a piercing high frequency, but rather pitch it up an octave relative to the original sequence every time. If you call s(), it will overwrite the original sequence with what is currently playing (does not work in ptrn mode).

slw(first, last, value)

• slew - first and last arguments optional.

  examples:

  • slw(1) -- slew entire sequence by 1
  • slw(4, 0.5) -- set step 4 slew to 0.5
  • slw(6, 8, 0.7) -- set steps 6-8 slew to 0.7

eg(first, last, value)

• set envelope - same argument format as slw, but value is an asl function like ar(0.1, 1).

ptrn(action, count, action, count...)

• create meta sequence with function calls passed in. Each "action" is a function call, and count is the number of loops for that action. Count defaults to 1 if action is not followed by a number. Pattern will loop infinitely until ptrn() is called with no args, which will clears the pattern and resets the sequence.

  example:

  • ptrn(mod(3), 2, oct(-1), 3, rndm(), rv(), 2) -- modulate up a 3rd for 2 loops, transpose down an octave for 3 loops, randomize notes for 1 loop, reverse sequence for 2 loops.

Clock divisions

• div[1] = 2 set clock division of sequence 1 to 2
• div[2] = 3 set clock division of sequence 2 to 3