Have you ever heard of Woodstock. It was a famous music festival in 1969. 
Oh, sure.  the Woodstock arts and Music fair was the highlight of 1969 if you don't count the moon landing.  Over 400,000  people attended.
Yeah, There were 32 performers that performed acts. It was huge at the time.
The hippies who descended on Max Yasgur's farm were drawn by what was billed as "An Aquarian Exposition: 3 Days of Peace & Music"
There was a film about it too. That won an Academy Award in 1970.  And Joni Mitchell made a song about it that was popular also
the sometimes rainy weekend, 32 acts performed outdoors. It is widely regarded as a pivotal moment in popular music history, as well as the definitive nexus for the larger counterculture generation. "Rolling Stone" listed it as number 19 of the "50 Moments That Changed the History of Rock and Roll".
The event was captured in the Academy Award-winning 1970 documentary film "Woodstock", an accompanying , and Joni Mitchell's song "Woodstock", which commemorated the event and became a major hit for both
List of performances and events at Woodstock Festival
The Woodstock Music & Art Fair was a music festival held on a 600-acre (2.4 km²; 240 ha, 0.94 mi²) dairy farm in the rural town of Bethel, New York from August 15 to August 18, 1969. Thirty-two acts performed during the sometimes rainy weekend in front of nearly half a million concertgoers. It is widely regarded as one of the greatest moments in popular music history and was listed on "Rolling Stone"s "50 Moments That Changed