Sunday Morning Images From Monterey Pop June 3, 2007 / 12:43 PM EDT / CBS News Tom Gundelfinger O'Neal Front-woman of Jefferson Airplane, Grace Slick, is pictured here performing at the Monterey Pop Festival in 1967. Tom Gundelfinger O'Neal Jimi Hendrix, pictured here backstage, became a star at the three-day-long festival which became the seminal event of the Summer of Love. Tom Gundelfinger O'Neal One half of Simon and Garfunkel, Art Garfunkel, is pictured here in the audience. Tom Gundelfinger O'Neal David Bennett Cohen of Country Joe and the Fish also attended the festival. Tom Gundelfinger O'Neal Janis Joplin gave a stunning performance. Tom Gundelfinger O'Neal David Crosby, of Crosby, Stills, Nash and Young, also performed. Tom Gundelfinger O'Neal Festival co-founder and front-man of The Mamas & the Papas, John Phillips, is shown here performing. Tom Gundelfinger O'Neal Grateful Dead singer Jerry Garcia is shown here on stage. Tom Gundelfinger O'Neal The ladies of The Mamas & the Papas -- Michelle Phillips, left, and Cass Elliot -- share a word.