Convert BPM to microseconds per quarter note.

Convert an event to text representation.

Convert microseconds per quarter note to BPM.

Returns the length of a note type in beats.

Returns the list of note names.

Convert a MIDI note number to a string like "C4".

@spec quantize(
  {:track, [tuple()]},
  pos_integer()
) :: {:track, [tuple()]}

@spec quantize([tuple()], pos_integer()) :: [tuple()]

Quantize event delta times so that every event's absolute position falls on the nearest multiple of boundary (in ticks/beats).

Accepts either a {:track, events} tuple or a bare event list and returns the same shape.

Convert a sequence to text representation.

Convert a track to text representation.