module PSG

[Integer, Integer, Integer, Integer]

Array[voice_program_step_t]

PSG.assign_drum_program(Integer note, Symbol? program_name) -> Symbol?

PSG.define_voice_program(Symbol name, voice_program_t steps) -> voice_program_t

PSG.drum_program(Integer note) -> voice_program_t?

PSG.note_to_period(Integer | Float note, ?round: bool) -> Integer

PSG.set_tuning(?Symbol tuning, ?pitch: Integer | Float) -> Symbol

PSG.voice_program(Symbol name) -> voice_program_t