How to change score channels

• Oct 27, 2019 - 21:34

So I got a midi file that I want to practice with a electric piano (casio mk-270) what that has light up keys. But the keys will only light up if the sounds on the midi files are on 3-4 (left hand and right hand) but the notes are on clannel 1. how do i change the channels to 3 or 4.

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