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 Disney decided to animate the film in CinemaScope making "Lady and the Tramp" the first animated feature filmed in the process. This new innovation presented additional problems for the animators: the expansion of space created more realism but gave fewer closeups. It also made it difficult for a single character to dominate the screen so that groups had to be spread out to keep the screen from appearing sparse. Longer takes become necessary since constant jump-cutting would seem too busy or annoying. Layout artists essentially had to reinvent their technique. Animators had to remember that they had to move their