Marty wrote:
I am seeking a drive belt for an old Bell & Howell "Music Model"
cassette recorder that is part of an old Baldwin organ.
Inside the battery door there is a tag that says "Model 130"

The number is for your organ: a Model 130 "Encore" from the 1970s.
http://66.102.9.104/search?q=cache:r...rts+130-Series

Baldwin considered the cassette units non-repairable.