Stephen Stills - vocals, guitars, bass, piano, organ, steel drum, percussion Calvin \"Fuzzy\" Samuel - bass Dallas Taylor - drums Conrad Isedor - drums Ringo Starr (listed as \"Richie\" on \"To a Flame\", \"We Are Not Helpless\") - drums Johnny Barbata - drums Jeff Whittaker - congas Jimi Hendrix - guitar (\"Old Times Good Times\") Eric Clapton - guitar (\"Go Back Home\") Booker T. Jones - organ, vocal Sidney George - flute and alto saxophone David Crosby - vocals Graham Nash - vocals John Sebastian - vocals Rita Coolidge - vocals Priscilla Jones - vocals Claudia Lanier - vocals Cass Elliott - vocals Henry Diltz - photography (cover), vocal Liza Strike - vocal Judith Powell - vocal Larry Steele - vocal Tony Wilson - vocal Sherlie Matthews - chorus, vocals