Originally Posted By: AudioTrack
... places the WAV file on the Audio Track

There's a "gotcha" here, because within BiaB, that audio file will now play at the same time as the song tracks, causing some confusion. In practice it's probably better to render to some other location and/or name.

Jazz relative beginner, starting at a much older age than was helpful.
AVL:MXE Linux; Windows 11
BIAB2025 Audiophile, a bunch of other software.
Kawai MP6, Ui24R, Focusrite Saffire Pro40 and Scarletts
.