That save path appears embedded in BiaB:

Code:
$ strings -f *.exe | grep 'c:.a.trk' |more
bbw2_32.exe: 	c:\a\trk\
bbw2_64.exe: 	c:\a\trk\
bbw3.exe: 	c:\a\trk\
bbw4_32.exe: 	c:\a\trk\
bbw4_64.exe: 	c:\a\trk\
bbw64.exe: 	c:\a\trk\
bbw64_original.exe: 	c:\a\trk\
bbw.exe: 	c:\a\trk\


It seems to have been in several .exe files since at least 2019.

Jazz relative beginner, starting at a much older age than was helpful.
AVL:MXE Linux; Windows 11
BIAB2024 Audiophile, a bunch of other software.
Kawai MP6, Ui24R, Focusrite Saffire Pro40 and Scarletts
.