Sounds to me like you need to do all real tracks in BiaB and export them to a DAW.
You can have as many tracks as you need, and simply mute the ones you don't need.
Also, you can add any other audio you need.


Boyd
Win10 - 16GB-RAM - BiaB 2019 - Mixbus 4 - Slate Bundle - Komplete 10 - Ozone 8 - Neutron 2 - Waves Gold
Ample Sound Guitars & Basses - Pianoteq 6 - SSD5 - SD3 - JamStix 4 - Omnisphere - UVI Falcon - EastWest Play
Sonarworks Reference 4 -