From the 1992 movie. Given how much ballroom dance has become an expensive and therefore upper class form of recreation, it's easy to forget that many of the styles originated in lower class communities. Obviously Latin dances are Hispanic in origin, but how many people remember - really remember - that swing dancing was originally an African American style of dancing? I love its inclusion in Malcom X and consider its placement highly appropriate. Everything about it from the music to the steps was part of a minority subculture which in turn became part of a white counter-culture which in turn was co-opted and became part of mainstream white culture after it was sanitized. Real Lindy hop fast, loose, and dirty (A Day at the Races and Hellzapoppin both have scenes that better depict what it was really like) but it was there.