Emily performed several songs for the film, including "Don't Ya Just Love Christmas" and "One Day". Osment also recorded a remake version of the song "If I Didn't Have You" with Mitchel Musso for the Disney Mania 6 CD. The two also filmed a music video for their remake.
She recorded a song called "Hero in Me" for the Disney Channel Original Movie, Dadnapped and also filmed a music video to accompany it.
She and Musso performed a sketch based on a Hannah Montana episode. It earned her a Young Artist Award nomination in 2008 for "Best Performance in a TV Movie, Miniseries or Special Leading Young Actress".
Osment also had a voice-over role in a movie called Holidaze: The Christmas That Almost Didn't Happen, which also featured the voices of fellow Disney Channel stars Brenda Song and Dylan and Cole Sprouse. She also recorded the song "I Don't Think About It" for the movie's soundtrack.
Osment has also recorded a song titled "I Don't Think About It" in The Haunting Hour: Don't Think About It, for which they made a music video.