Kawai CP67 Owner's Manual page 31

(2) Connection to an external sequencer
When connected as shown in the illustration, you can record songs played
on the CP67 with a sequencer, and use the CP67's tones controlled by the
CP67's MULTI-TIMBRAL MODE function (which is ON at all times) to
create a multi-layer MIDI recording.
CP67
MIDI
MIDI OUT
OUT IN
MIDI IN
MIDI cable
MIDI Sequencer
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