Claim: Regarding the production of Surrealistic Pillow, Jorma Kaukonen, older brother of Peter Kaukonen, opined that Jerry Garcia was essentially the producer but did not play on "J.P.P. McStep B. Blues."
Evidence: McStep B. Blues" (included on Early Flight and the 2003 reissue) and may have played on "How Do You Feel." He also played on "J.P.P.