Factual error: The movie and events take place in 1958. However, two Fender amplifiers that are used by the band, "Johnny Casino and The Gamblers" are "Silverface" models that were only manufactured between 1967 and 1981.
Factual error: Dorothy tells Miss One that she lives at "433 Prospect Place." Dorothy is supposed to live in Harlem. Any New Yorker knows that there is no Prospect Place in Harlem. In reality, Prospect Place is in Brooklyn and is, in fact, where the street scenes for "Harlem" were filmed.
Factual error: In the opening, they are playing 'Life in the Fast Lane' by the Eagles, and they do a closeup of the studio turntable playing the last song on an album, but 'Life in the Fast Lane' is the second song on 'Hotel California' - not the last. (00:04:24)