Originally Posted by BIABman
I am working with _JAZOR60.STY.
It has just Organ and Drums as real tracks.
I am trying to substitute the Organ for another organ or piano.
When I audition the style they sound fine.
But when I select them to play in the song (regenerate) it sounds absolutely horrible. frown

The RealTrack I am trying to get into the song now is: 737 Piano, Acoustic
I just tried and the piano substitute played OK here.
Have you ever saved the song as an Audio file? Check the folder that the song is saved in for a WAV file with the same name. If so, rename that file, load the song again and see if it's OK. If there is a WAV file with the same name it will play alongside the song file.

I loaded the demo song (the one without the solo tenor sax) and changed the Organ track to Piano as shown:

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