Folk singer Richie Havens kicked off the Woodstock Music & Art Fair on Friday, Aug. 15, 1969. His set list included "High Flyin' Bird," "With a Little Help from My Friends" and "Freedom."
Indian sitar player Ravi Shankar, father of recording artist Norah Jones, played a 5-song set in the rain on Aug. 15, 1969.
Singer Arlo Guthrie, seen here performing at Pete Seeger's 90th birthday on Sunday, May 3, 2009, performed "Coming Into Los Angeles," "Walking Down the Line" and "Amazing Grace."
Joan Baez was six months pregnant at the time of the festival. Her set list included the songs "Joe Hill" and "Swing Low Sweet Chariot." She was the last artist to play on Aug. 15, the first day of Woodstock.
Carlos Santana also played on the second day of the Woodstock festival. "It was incredible," he told Rolling Stone magazine in 2004. "I'll never forget the way the music sounded bouncing up against a field of bodies."
The Grateful Dead's set included the songs "St. Steven," "Mama Tried," "Dark Star/High Time" and "Turn on Your Love Light."
John Fogerty, seen here, is the former lead singer and guitarist for the band Creedence Clearwater Revival. They played an 11-song set on the second day of Woodstock.
Janis Joplin's set immediatly followed Creedence Clearwater Revival. Her 10-song setlist included "Piece of my Heart" and "Try (Just a Little Bit Harder)."
Sly Stone, of Sly & The Family Stone, is seen in this 1996 photo. Sly & The Family Stone performed at Woodstock on Aug. 16, 1969, playing songs such as "Dance to the Music" and "Everyday People." Their set immediately followed Janis Joplin's.
The Who began playing at 4 a.m. on Aug. 17, 2009, kicking off a 25-song set that included their album "Tommy."
Jefferson Airplane (lead singer Grace Slick is seen here) came on stage after The Who, playing an eight-song set that included "Somebody to Love," "Volunteers" and "White Rabbit."
Joe Cocker was the first act on the last official day of Woodstock, Sunday, Aug. 17, 2009. Cocker played a nine-song set that included "With a Little Help from My Friends."
Seen here is David Bennett Cohen, of the band Country Joe and the Fish. Country Joe and the Fish played on the third day of the Woodstock Music & Art Fair on Sunday, Aug. 17, 1969.
Levon Helm, drummer and vocalist for The Band, is seen in this 2008 photo. The Band played an 11-song set that began with "Chest Fever" and ended with "Loving You is Sweeter than Ever."
The festivities ran into Monday morning - Crosby, Stills, Nash & Young didn't come on stage until around 3 a.m. The group played separate acoustic and electric sets.
Jimi Hendrix and his band Gypsy Sun and Rainbows were the final group to play the festival, launching into a two-hour set on Monday morning. The set included Hendrix's now-inconic rendition of "The Star-Spangled Banner," along with songs like "Voodoo Child," "Red House" and "Purple Haze."