HERE and HERE.
This band featured Jerry, John Kahn, Keith and Donna Godchaux, Maria Muldaur, and Buzz Buchanan on drums. At the time, Maria Muldaur was an established musician. She had a hit single in 1973 with "Midnight at the Oasis" and was a favorite at folk venues throughout the country. It was around 1974, that she started dating John Kahn, whom had started his musical relationship with Jerry Garcia in the early 70's. He gigged with Garcia and Wales, Old and in the Way, Garcia and Saunders, and every incarnation of JGB. Sadly Kahn died of a heroin in 1996.
EARLY: How Sweet it is, TLEO, That's What Love, Simple Twist, Second That Emotion, Gomorrah, Harder They Come
LATE: Love in the Afternoon, Tore Up, Knockin', Mystery Train, Cats, Mission