The animals' band The Weavils is an obvious reference to the famous band The Beatles, except their were only four members of The Beatles, and five members of The Weavils. Their song "A Barns Day's Night" is a reference to The Beatles song "A Hard Day's Night". Pig even has a copy of Paul McCartney's bass. Freddy also talks about a magazine called Rolling Pebble, a reference to the magazine Rolling Stone.
The band that Otis and the other barn animals put together, The Weavils, is a reference to the famous British band, The Beatles, although the Beatles only had four members, instead of five. Their song, "A Barn Days Night" is a reference to the Beatles song "A Hard Days Night". Pig is even seen playing the same bass guitar as Paul McCartney, the bass player of the Beatles.