Lady and the Tramp domestic lifetime gross of $93.6 million, and a lifetime international gross of $187 million. The score for the film was composed and conducted by Oliver Wallace. Recording artist Peggy Lee wrote the songs with Sonny Burke and assisted with the score as well. In the film, she sings "La La Lu", "The Siamese Cat Song", and "He's a Tramp". She helped promote the film on the Disney TV series, explaining her work with the score and singing a few of the film's numbers. These appearances are available as part of the "Lady and the Tramp" Platinum Edition DVD set. On
Lady and the Tramp illustrator in 1953. Claude Coats was then appointed as the key background artist. Coats made models of the interiors of Jim Dear and Darling's house, and shot photos and film at a low perspective as reference to maintain a dog's view. Eyvind Earle (who later became the art director of Disney's "Sleeping Beauty") did almost 50 miniature concept sketches for the Bella Notte sequence and was a key contributor to the film. Originally, "Lady and the Tramp" was planned to be filmed in a regular full frame aspect ratio. However, due to the growing interest of widescreen film among movie-goers,