Regarding "The Box Office", check out the credits under "Music" and then "Songs". Under "Music", there is a long list of notable jazz musicians included in a big band and a quartet. If you scroll through the movie, there is at least one brief scene with a big band and then a quartet, which crashes through a wall. That quartet includes Teddy Edwards, Philly Joe Jones and Freddie Redd.
https://catalog.afi.com/Film/56736-BOXOFFICE?cxt=filmography
Josef Bogdanovich was the producer, writer and director of this film. It appears to be the only movie he was involved in. Apparently, Bogdanovich was a scion of the family that created and ran the Star-Kist Tuna company. Internet research indicates that after the movie, he became involved in the reggae music industry.