Compliments of Russell Wells, here is a short clip of Ron Casteel and David B. Treadway on KAAY, June 23, 1983. Somewhat 'scoped, still enjoyable...and, I think, this is the only audio recording we have of Ron Casteel:
(or download here)
Kudos to Dave S. for his work in bringing this aural treasure to you!
Bud S. (firstname.lastname@example.org)