Change the MIDI channel for the second track.

Either change the MIDI send channel on the synth before recording, or use 'Edit-rechannel' after the fact (making sure the whoe track is selected of course).

Synths respond to each of the sixteen MIDI channels separately. However if two tracks are set to the same MIDI channel, the synth will do what it is told; change the sound for that MIDI channel to whatever the latest command was. Even if the message came from different tracks. That is the difference between 'channels' and 'tracks'. You could, in theory, have the first part of a song play a sax on channel 4, then later have the trumpet use channel 4 (from a different track). This makes the 16 available channels flexible, but requires that you pay attention to the MIDI channels used.


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