In the opening credits, a hand-drawn title says "IN ORDER OF PEFORMANCE", misspelling the word "PERFORMANCE".
When John Phillips introduces Canned Heat, he announced them as being from San Francisco. Actually, the band was from Los Angeles.
When Jefferson Airplane sings "Today", the camera focuses solely on Grace Slick as if she is singing the lead. But it's really Marty Balin's voice that is heard. Balin co-wrote the song with Paul Kantner and also sings lead on the studio version.