Tommy Dorsey Orchestra In "Las Vegas Nights" [Getty Images]

HOLLYWOOD - 1941: Tommy Dorsey and His Orchestra, Bert Wheeler, Constance Moore, Phil Regan, Betty Brewer, Lillian Cornell, Virginia Dale, Red Donahue and His Mule "Uno" on the set of "Las Vegas Nights" (Tommy Dorsey in front on the right with trombone; note Frank Sinatra standing on far right in back row) in 1941 in Hollywood, California. (Photo by Michael Ochs Archives/Getty Images)

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