Upbeat in Music is a 1943 short film produced as part of The March of Time series distributed theatrically by 20th Century Fox.

The film also features footage of Glenn Miller in uniform as a captain in the United States Army Air Forces leading the U.S. Army Training Command Band.

20th Century Fox released lobby cards to promote the documentary.

Elman or Ellington, Koussevitzky, Como, Gershwin, Goodman, Glenn Miller, Bea Wain and many others ... your favorite artists are seen giving their talents to build morale in a star-studded story of music at war."

HBO Archives presented a synopsis of the documentary: "Upbeat in Music – (Volume 10, Episode 5) – December 1943 SYNOPSIS: Music for military, brief Glenn Miller in uniform, V-discs, 'Hip Kits', many big names playing, singing, composing.