41.2.2 Instrument Part BlockThe instrument parts of the sound generator can be operated or their settings can be changed with channel messages.The 32 instrument parts of this Instrument are divided between Group A and Group B, each of which has 16 instrumentparts. Only Group B can be controlled by external channel messages. As shown in the following table, there is a fixedrelationship between channel message receive channel numbers and instrument parts.Number Name Channel Assigned Function00 A01 1 Keyboard01 A02 2 —02 A03 3 —03 A04 4 —04 A05 5 —05 A06 6 Guide Sound06 A07 7 Guide Voice07 A08 8 Metronome08 A09 9 Auto Accompaniment (Percussion)09 A10 10 Auto Accompaniment (Drum)10 A11 11 Auto Accompaniment (Bass)11 A12 12 Auto Accompaniment (Chord 1)12 A13 13 Auto Accompaniment (Chord 2)13 A14 14 Auto Accompaniment (Chord 3)14 A15 15 Auto Accompaniment (Chord 4)15 A16 16 Auto Accompaniment (Chord 5)16 B01 1 MIDI/Auto Performance Functions17 B02 2 MIDI/Auto Performance Functions18 B03 3 MIDI/Auto Performance Functions19 B04 4 MIDI/Auto Performance Functions20 B05 5 MIDI/Auto Performance Functions21 B06 6 MIDI/Auto Performance Functions22 B07 7 MIDI/Auto Performance Functions23 B08 8 MIDI/Auto Performance Functions24 B09 9 MIDI/Auto Performance Functions25 B10 10 MIDI/Auto Performance Functions26 B11 11 MIDI/Auto Performance Functions27 B12 12 MIDI/Auto Performance Functions28 B13 13 MIDI/Auto Performance Functions29 B14 14 MIDI/Auto Performance Functions30 B15 15 MIDI/Auto Performance Functions31 B16 16 MIDI/Auto Performance Functions