Songs from this run of shows can be heard on these official releases:
GDCD 4063 The Allman Brothers Band
GDCD 4023 The Grateful Dead Dick’s Picks Vol 4
and History of the Grateful Dead, Vol. 1 Bears Choice

This is circulating now. Not sure if it’s the early show or the late show, maybe it’s impossible to tell. But either way, here’s the setlist:
In Memory of Elizabeth Reed, Statesboro Blues (slow version a la Ludlow Garage), Trouble No Mor