There are two sets of rehearsals for Saturday Night Live in October 1978. One of Oct 5 with tracks as Back in the USA, Jah Wonderful, and a set of about 45 minutes (?) of the three songs they would perform (Respectable, Shattered and Beast of burden), and also Summer romance. This second set has been released as a video, see YouTube.
I noticed there are a couple of audio (cd) bootlegs of this ta