You seem to have two problems. Try this fix for the first problem. It may be that the Violin is hard coded as a CC event. You may need to delete this in the midi.

Originally Posted By: Roycol
I have several files where the melody track seems to be locked somehow.
I cannot change the midi instrument, it seems to change, but still plays as 'violin' then when I press 'stop' it changes the instrument back to showing 'violin'
Roy

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