You've just been patiently waiting for the right time and place to post that, haven't you?The brown note... Sorry myth busted...
https://en.wikipedia.org/wiki/Brown_note
Any early Gino Vannelli. While I'm not all that crazy about the man himself, his backup band was killer. Sweet early bass synth tones.

View attachment 2311102
Track 5&6
Ron Tutt and Jim Keltner improvisations
View attachment 2311100 Track 1 Ascent
Bass - Hoedown from Bela Fleck and the Flektones from the LP Outbound or Flight of the Cosmic Hippo from the LP of the same name.
While I use it primarily for the drums (solo), Free Wheelin' also has a bass solo.
The brown note... Sorry myth busted...
https://en.wikipedia.org/wiki/Brown_note