Deep in My Heart is a 1954 MGM biographical musical film about the life of operetta composer Sigmund Romberg, who wrote the music for The Student Prince, The Desert Song, and The New Moon, among others. Leonard Spigelgass adapted the film from Elliott Arnold's 1949 biography of the same name. Roger Edens produced, Stanley Donen directed and Eugene Loring choreographed. José Ferrer played Romberg, with support from soprano Helen Traubel as a fictional character and Merle Oberon as lyricist Dorothy Donnelly. Wikipedia
Dorothy Donnelly: You have talent. That's very rare in the theater.
Sigmund Romberg: You have a warm smile. That's even rarer.