[Vibraphon]

1. Not without a lot of work. You'd have to set up the songs on one tablet to use all odd pages, and all even pages on the other tablet. I'm going to need to add a mode for this, as a number of users have requested it now.

But this would be a great feature, because most jazz songs (realbooks) are written on one or two sheets.
Using two connected 13.3" tablets in portrait mode would be the same as a printed book.

3. At the moment, no, you'd have to edit each song and remove the audio files from the audio tab. If you want to manually edit your database file using SQL queries, then you could easily wipe out all the audio files and delete them off the device in one go.

I am not enough a computer expert to know how to create SQL queries.
Could you publish the SQL query needed?

Thank you!