Jefferson Airplane - "We Can Be Together" & "Volunteers"

Recorded August 16, 1969 for The Dick Cavett Show, featuring Grace Slick (vocals), Marty Balin (vocals, tambourine), Paul Kantner (guitar, vocals), Jorma Kaukonen (guitar), Jack Casady (bass), and Spencer Dryden (drums), with Nicky Hopkins (piano) and David Crosby (tambourine, vocals).

Jefferson Airplane official site