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 characters across a background instead of the background passing behind them. Yet the animators overcame these obstacles during the action scenes, such as Tramp killing the rat. More problems arose as the premiere date got closer since not all theaters had the capability to show CinemaScope at the time. Upon learning this, Walt issued two versions of the film: one in widescreen, and another in the Academy ratio. This involved gathering the layout artists to restructure key scenes when characters were on the edges of the screen. "Lady and the Tramp" was originally released to theaters on June 22, 1955.