Hi everybody!
All manual and tips from this forum i have been read and all its clear. But 1 problem still have.
I need custom tracks for backing multi-playback for the band. I’m export mixdown track in Cubase 8 - 48kHz/ 24 bites / mono - without ixml and metadata … i created dummy tracks by copying and renaming file “TRK01” - 18 with same lenght… QU see project, but during loading write “invalid project”. 
Anybody who tried this with Cubase8? Thanks for your tips.
My console QU-16.
btw: sry for my EN.
Put your file on some sort of mediaplayer, play that through one of the inputs of the desk and let your Qu-16 record that either as a stereo file or as one of 18 multitrack files onto your thumb drive.
Good luck !
Giga
Or use something else for controlling playback. The QU drive transport controls aren’t as easy as some other interfaces