Thank you for your response, Victor. This is what I expected. It wouldn’t have taken much for A&H to deliver on this functionality, and given the deep processing powers of the unit, this seems like a total oversight. All that would be needed would be to allow track selection on the QU-drive rather than a global multi-track recording option. I have been using Qu-dive as the source for playback of previously recorded tracks, but when I try to record new tracks it creates a new file which obviously doesn’t play back the existing recorded tracks. what a pity. Back to Logic Pro X I go.