That's where Grand Funk Railroad got their big break.
One of Jimmy Hendrix’s last performances in 1970 there, played in front of over 600,000 people and closed the festival.
#16 Grand Funk Railroad, Homer’s Favorite Band
https://www.youtube.com/watch?v=YXKmsvRXE4A
Rock attained perfection in 1974
https://www.youtube.com/watch?v=pLqfXlIq6RE
It’ll Happen To You! (The Simpsons)
https://www.youtube.com/watch?v=BGrfhsxxmdE
Simpsons Boston Reference
https://www.youtube.com/watch?v=vjiyq25crAQ