Since you do all the arranging yourself, it sounds to me like you need a DAW environment that can work easily with MIDI VSTs and notation.

BIAB is a backing generator. As you point out, it's more akin to an ensemble working from fakebooks rather than having the ability to reproduce existing productions.

As Musicstudent mentioned, PG Music offer a 30-day money-back guarantee on their products. It seems like this might be something that you need to take advantage of.


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Audiophile BIAB 2024