Additional information:
I have added an auto play with a music sheet and the weird part is that depending of the speed, sound are more or less skipped.
For exemple with a delay of 0.35sec between each chords, nearly all notes are played, but with a 0.5sec delay, maybe 1/4 note is skipped. and then for a 0.30sec speed, about a third of the notes are skipped again.
It may have to do with the timing of the end of the previous sound :?
The UI shows that the...