The KR-575 has two record and playback modes: 16-track Sequencer mode and Composer mode. In the 16-track Mode any individual track can be muted or soloed. In the Composer mode there are five pre-assigned buttons that mute individual or groups of tracks. Here is a list of the 16 tracks as they correspond to the five Track buttons:
Composer Track Button = Part / MIDI Channel
Rhythm = 10, 11
Whole = 1
Bass / Accomp = 2, 5 through 9, 12 through 16
Lower = 3
Upper = 4
Composer Track Button = Part / MIDI Channel
Rhythm = 10, 11
Whole = 1
Bass / Accomp = 2, 5 through 9, 12 through 16
Lower = 3
Upper = 4