“The soundtrack was songs of the 50s, not 1962. it was rock and roll before the Beatles hit.”
Beatles hit in early 1964.
Beatles hit radio fall/winter of 1963 in the wake of JFK’s assassination. They didn’t just waltz on Ed Sullivan in February 64. There was a build up.
“The Beatles’ American television debut was on November 18 1963 on The Huntley-Brinkley Report, with a four-minute long piece by Edwin Newman.”