<< Attached picture is exactly what I want to achieve. >>

It seems BIAB can do this now and have multiple docked screens. I may be missing something. I'll be glad to provide loading instructions if the images I've attached are what you're trying to get.

Attached Files (Click to download or enlarge) (Only available when you are logged in)
MusicVillians View.gif (340.2 KB, 220 downloads)
BIAB displaying Musicvillian's view
With Notation and Audo Edit Windows.gif (321.35 KB, 219 downloads)
BIAB with Multiple Windows Docked

BIAB 2025:RB 2025, Latest builds: Dell Optiplex 7040 Desktop; Windows-10-64 bit, Intel Core i7-6700 3.4GHz CPU and 16 GB Ram Memory.