I’m a bit confused as to the blue vs green vs red. I gather from your description green is normal, double right click blue makes that track sync with the daw on playback to solo a track you need to left click all the others red. Would not it be better to left click it yellow to solo red to mute toggle thru them would be confusing I like the idea of two rows of buttons play/mute one and solo /unsolo the other.

I also agree with the sync button idea because to me that is the wrong place to audition I do that prior to selecting. If I chose poorly I can start over.

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