Great. The piano sounds better now (though for a "natural" piano a lot of other aspects like damper noises, resonant strings, etc. have to be considered). You c

Great. The piano sounds better now (though for a "natural" piano a lot of other aspects like damper noises, resonant strings, etc. have to be considered). You could try to generally turn down the velocity a bit (especially relative to the "chant voice"), and you could even add a random velocity factor to each chord or note so that it sounds a bit more human-like. Switching to the next audio now works for me.