Leopold Stokowski recorded the classical music in the film at the Philadelphia Academy of Music, using the Philadelphia Orchestra (of which he was still principal guest conductor), on a multi-channel sound system, the first time one was ever used to record music in a film. The musicians seen in the film, however, were L.A.-based players doing what was called "sideline" (seen but not heard, merely miming to a prerecorded soundtrack played by others).
Winston Churchill's favorite film, which he screened for himself to celebrate victories in WW2.
The one hundred men of the title are actually the Philadelphia Orchestra.
The only Best Picture Oscar nominee that year not to have any acting nominations.
On July 23, 1949, this film, double-billed with The Mikado (1939), was revived at the Little Carnegie Theatre in Manhattan. On August 31, 1949, Universal (by then called Universal-International) concluded its 13-year association with Deanna Durbin, who hadn't a new feature in release for 1949.