listings: San Francisco Examiner, March 8, 1972, p. 32 | [contra] Hayward Daily Review, March 9, 1972, p. 27
The Hayward Daily Review implied the venue to be Keystone Korner, but all other sources are consistent with the newly-renamed Keystone Berkeley. Easy to see how, on hearing Keystone in early March 1972, one would think of the Korner. Night Times bills Jerry Garcia, Merle [sic] Saunders, and Armando Peraza.
listings: Hayward Daily Review, March 2, 1972, p. 37 |Night Times, March 8-21, 1972, p. 6