Jazz on a Summer's Day
Starring Louis Armstrong, Mahalia Jackson, Gerry Mulligan, Dinah Washington, Chico Hamilton, Anita O'Day, George Shearing, Jimmy Giuffre, Chuck Berry, Jack Teagarden
It's a documentary and music movie, and has a rating of 7.9 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Italy.