Written and recorded by Disney artists Demi Lovato, the Jonas Brothers, Miley Cyrus and Selena Gomez, this song is dedicated to Disney's Friends for Change to benefit the environment. It offers an empowering message to young people work together to create a better world because One spark starts the fire. Available separately: 3-Part Mixed, 2-Part, VoiceTrax CD. Duration: ca. 3:40.