Your home computer does not have to be on to access BIAB on your tablet. The computer version is needed only to set up your songs. Once they are transferred to the tablet using BIAB for iPad, you can play the songs from your tablet without your computer being on.
To get good sound quality, of course, you need to plug your tablet into a HiFi system or use a wireless router, but nothing else is needed. This makes the tablet an ideal tool to place on your music stand and use at gigs.
Cheers!


Cheers! -Alastair