Celluloid Improvisations is an archive of jazz (and jazz influenced and/or related) music preserved on 16mm sound film, videotape, laserdisc and DVD. The collection includes more than 4,000 separate titles, and while the archive's holdings focus on jazz, they also include such related forms of American music as blues, Swing, Western Swing, 'pop', rhythm and blues, country-western, vernacular dance, vaudeville and variety arts.