|There was an instrumental version of "Walking in Rhythm" by the
|Blackbyrds. Does anyone know who did the instrumental version of that

Contact the muzak company.

|song? I'd love to get a copy of it. Sorry if this is off topic for this
|newsgroup, but I couldn't find any other groups where this would be
|relevant.

One Muzak selection that has been deemed the holy grail of
Muzak is a the Ambroy Dukes "Journey to the Center of Your Mind."
Why so?
Ted Nugent hated Muzak so much that he tried to buy the Muzak
corporation.

FWIW: There's a copy of JTTCOYM floating around it's sounds like
a cat chasing a mouse! Flutes and violins very trippy.