Can you tell me why The beatles was not at WoodStock 69? or just because I didn't see them in the movie. Thank

Their last live concert was in 1966, and their only live appearance after that was an impromptu performance on the roof of Abbey Road Studios in January 1969. They were all working on their solo projects during the summer of 1969 and barely spoke to each other. After Brian Epstein's death, they were a rudderless ship only guided by their incredible creativity in writing & recording songs. There was talk of having a huge concert (some ideas were the Roman Colosseum or a cruise ship) but they couldn't agree on anything.

They were on the verge of breaking up prior to Woodstock. The last time they played live together was in January of 1969 and their last recording together was in July of 1969. Woodstock was after that and by then, the beatles probably weren't speaking to each other, let alone performing together.

The promoters of woodstock did not invite them.