After posting the above comment I also discovered versions of Muleskinner Blues in my collection by Van Morrison, Old & In The Way (Jerry Garcia, David Grisman, Vassar Clements et. al.), and James Cotton!
After posting the above comment I also discovered versions of Muleskinner Blues in my collection by Van Morrison, Old & In The Way (Jerry Garcia, David Grisman, Vassar Clements et. al.), and James Cotton!