40 Years in the Making: The Magic Music Movie is a 2017 American documentary film written and directed by comedy writer Lee Aronsohn about Magic Music, a folk music band that broke up in 1975 before ever releasing a record. They were big in Boulder, Colorado, where Aronsohn attended University of Colorado Boulder. After Aronsohn's retirement from The Big Bang Theory, Aronsohn decided to make the documentary about the band and try to get them to reunite to play one more show.40 Years in the Making: The Magic Music Movie had its world premiere at the Woodstock Film Festival in 2017. It also appeared at the Napa Valley Film Festival in 2017, and the Boulder International Film Festival, The Richmond Film Festival, the Intendence Film Festival, and others in 2018. It made its theatrical debut at the Village East in New York City on August 3, 2018.