As part of this film's promotion, new Warner Brothers star Merv Griffin was sent on an all expenses paid promotional tour of major cities across the U.S. At his stop in Boston, he found out that Freddy Martin and his orchestra, for whom Griffin had been the lead singer, were in town doing concerts, so Merv invited the whole group to his suite at the Statler Hotel for a champagne and caviar reception. When studio head Jack Warner saw the hotel bill - more than $3,000 just for the food (at a time when $3,000 was enough to buy at least two brand new automobiles) - Warner was furious.
Like Greer Garson, Kathryn Grayson was one of the relatively few female stars of the Golden Age who was best photographed from the right side, instead of the more frequently used and better known (because of Claudette Colbert & Jean Arthur) left side. Check out the La Boheme sequence which closes the film for an example of this.
On the day Grayson and Griffin filmed their big love scene, the Warner Brothers publicity department invited the entire University of Texas football team, in L.A. to play in the Rose Bowl game, to visit the set. Nervous about his first on-screen kiss, Griffin flubbed nearly 30 takes, earning hoots and whistles from the football players every time director Gordon Douglas yelled "Cut!" Frustrated with how long things were taking, and aware of rumors that Griffin was gay, Gordon suggested: "Just pretend Kathryn is Rock Hudson and you'll do fine!" This remark drew the greatest guffaw of all from the gridiron gang and so humiliated Griffin that he did a perfect smooch on the very next take.
The film ends with Grace Moore's successful debut at the Metropolitan in 1928; no mention is made of the fact that, during the next ten years, she went to Hollywood and made a number of major films, beginning at MGM in 1930, and later, more successfully at Columbia, beginning with One Night of Love (1934) (for which she received an Academy Award nomination.) She never appeared before the camera for Warner Bros. who made this film.