If Here Comes the Groom (1951) is any indication, Jane Wyman should have made more musicals. The movie, about a foreign correspondent (Bing Crosby) having to win back his former fiancée Wyman in order to keep the orphans he's adopted, is not one of Frank Capra's best. But the film is noteworthy for one major reason—a clever performance of a playful song.
"In the Cool, Cool, Cool of the Evening," with music by Hoagy Carmichael and lyrics by Johnny Mercer, was a hit at the time, appearing on the Billboard charts and winning a Best Song Oscar as well. It's also rare for a post-1930 movie musical number in that it was not pre-recorded, but performed live during the filming. If that fact made the performers nervous, it doesn't show. Crosby, ever the cool showman, is matched step for step in easygoing charm by Wyman.
The winning duo would reteam a year later to apply their chemistry to "Zing a Little Zong" in the musical Just for You. Here's a gander: