According to this page, it was Freddy Morgan:
http://www.dr.dk/rummet/playlister/16-07-02.htm
Adam
Freddy was great! I think he did all the "featured" banjo trickery,
although Homer and Jethro occasionally dropped in (I'm thinking
specifically "Pal-Yat-Chee").
--
Peter B. Steiger
Cheyenne, WY
If you must reply by email, you can reach me by placing zeroes
where you see stars: wypbs**1 at bornagain.com.
Spike often had TWO banjo players in the band, but Freddy Morgan did the best
bits.
- L