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how can I do to emulate this wonderful Fibonacci function in Symbolic Composer, great to create "background" patterns.


'cause the Fibonacci in OM handle just numbers, and not musical events. In scom, it was something like that:


note1, note2, note2 + note1...



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Just use numbers to pitch, lengths etc... conversion.
I would advise you to check the System Function documentation and play with the examples a bit :-)



(setf fib (interval-modus (fibonacci 0 23) :mod 12))
(setf pitch (integer-to-pitch fib))
 => (c4 cs4 cs4 d4 eb4 f4 gs4 cs4 a4 bb4 g4 f4
     c4 f4 f4 bb4 eb4 cs4 e4 f4 a4 d4 b4 cs4)

(setf length (vector-to-length 1/16 1 2 fib))
=> (1/16 1/16 1/16 1/16 1/16 1/16 1/8 1/16 1/8 1/8 1/8 1/16
    1/16 1/16 1/16 1/8 1/16 1/16 1/16 1/16 1/8 1/16 1/8 1/16)

 :length length
 :pitch pitch)
=> (s c4 cs4 cs4 d4 eb4 f4 e gs4 s cs4 e a4 bb4 g4
   s f4 c4 f4 f4 e bb4 s eb4 cs4 e4 f4 e a4 s d4 e b4 s cs4)


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