# fixed
instruments:
  # instrument name
  sine:
    # fixed
    expr: sin(2*PI*f*t) # instrument formula (f is the frequency in Hertz, t is the time in seconds)
  square:
    expr: v*abs(sin(2*PI*f*t))
    # fixed
    vars:
      # name of the variable
      v: 1 # initial value of the variable
channels:
  melody:
    instr: sine
    score:
      notes: cCdDefFgGaAb
      sheet: |
        aabc.
        'ab°A
        +d+d+d---
        /ff/f\\
        ab>c<ba
        ;this is a comment (or lyrics whatever),
        C:CC
        (3deff)
        (deff)
        [ffe]
        {l 1-cos((PI*x)/2),acced}
        abbc!o5cc!v15feed!l4fedd!t60Gdd

        ; syntax :
        rest: .
        pizz.: '°
        volume: +-
        length: /\
        octave: ><
        comment?: ;,
        start here: ':'
        slope: {MODIFIER EXPR, score}
        note modifier prefix: n
        volume modifier prefix: v
        octave modifier prefix: o
        length modifier prefix: l
        tempo modifier prefix: t
        loop: ()
        loop with count: (COUNT, score)
        tuple: []
        modifier: !
        volume modifier prefix: v
        octave modifier prefix: o
        length modifier prefix: l
        tempo modifier prefix: t,