Common Music Notation (CMN) repertoire component declarations.
beamA container for a series of explicitly beamed events that begins and ends entirely
within
a measure.
beamSpanAlternative element for explicitly encoding beams, particularly those which
extend across bar lines.
mRestComplete measure rest in any meter.
oLayerA layer that contains an alternative to material in another layer.
Component declarations that are shared between two or more modules.
chordA simultaneous sounding of two or more notes in the same layer *with the same
duration*.
layerAn independent stream of events on a staff.
noteA single pitched event.
restA non-sounding event found in the source being transcribed.