Rock band who first achieved international attention as an experimental psychedelic group in the late 1960s, and contributed two tracks to the soundtrack of Easy Rider. After a period in which they had little control over their music, they disappeared for thirty years, reforming as a recording and touring band in 2001. Scarce glossy 8 x 10 Reprise Records promotional group photo, signed in black felt tip by James Lowe, Mark Tulin, Ken Williams, and Preston Ritter. In very fine condition. RRAuction COA.