While Lennon thus remains a question mark, the Coliseum lineup now includes—in addition to Sly and Elephant's Memory—the Bee Gees, Chuck Berry, Stevie Wonder, the Eagles, the Four Seasons, Raspberries, Merry Clayton, Marjoe's concert debut, Arthur Lee, Crazy Horse, Batdorf & Rodney, Sha-Na-Na and Mott the Hoople.

In addition, the Who's Keith Moon is putting together a collection of noted English musicians as a sort of all-star jam, Bookasta said, and Jimmy Rabbitt, a KROQ air personality who also has his own band, is rounding up some local musician friends to perform with the band, Texas.