原文
Zel is a computer language for creating MIDI data. Its features include
-low language overhead--"a b c" plays a b c .
-powerful macro capabilities with parameter passing,
-automatic distribution of notes into multiple tracks,
-file inclusion,
-controller/tempo/velocity sequence generation,
-automatic pitch-bend generation,
-integer/fractional/decimal/MBT/SMPTE duration formats,
-fine control of note displacement,
-unlimited tracks,
-attribute inheritance ( track->chord->note )
-random or sequential pick from a list of weighted macros
-can automatically apply macro based on note timing
-sysex file inclusion and sub-parser
-musical thread isolation using parentheses
-looping
-define and transpose sets of notes and reference them
-supports MIDI text and meta-events