sentences:  An article published by "The Hollywood Reporter" noted that Frederick Jackson was working on the picture's script, but the extent of his contribution to the completed film has not been confirmed.According to a 20 December 1941 story outline, contained in the Twentieth Century-Fox Produced Scripts Collection at the UCLA Library, Fred Astaire and Rudy Vallee were originally considered for the male leads.According to the Records of the Legal Department, also at UCLA, the studio paid $1,000 for a waiver from Villa Moret Inc., holders of the copyright to the song "When It's Springtime in the Rockies", for the use of the title.