http://www.imdb.com/title/tt1055366/

The Jonas Brothers star in this Disney Channel Original Movie about a working class girl determined to refine her musical talent at an acclaimed summer workshop, and the newfound sense of confidence she gains after meeting the singer of a popular musical act. Camp Rock is the place where young musicians go to grow into talented musicians. Mitchie Torres has always dreamt of spending a summer at Camp Rock, but her family can't afford the tuition costs. When Mitchie's mother announces that she got her daughter a discount on tuition by agreeing to work as the camp cook, the young musician is overjoyed at the prospect of actually attending Camp Rock. Though at first intimidated by the more privileged campers, Mitchie soon strikes up a friendship with the decidedly down-to-earth Caitlyn, who dreams of some day becoming a music producer. Later, Mitchie tries to impress popular girls Tess, Peggy, and Ella by claiming that her mother is a powerful executive at Hot Tunes TV, a tall tale that ultimately gets her invited to sing back up for the catty clique. Meanwhile, Connect 3's summer tour has been cancelled, and lead singer Shane Gray seems to have lost his passion for music. His bandmates Jason and Nate think that a stint in Camp Rock would be the perfect thing to help the singer get his ego back in check, and soon after arriving Shane is captivated by Mitchie's voice. Unlike the other campers, Mitchie seems to genuinely appreciate Shane's creativity rather than simply fawning over his stardom, and it before long the pair has become fast friends. But Tess is jealous of Mitchie and Shane's budding friendship, and upon discovering the truth about the humble singer's mother, the scheming mean girl makes it her mission to get ensure that neither Mitchie nor Caitlyn perform at the upcoming Final Jam competition. Later, as Shane, Nate, and Jason take their seats on the judge's panel for the Final Jam, Mitchie attempts to overcome her fear, step into the spotlight, and show everyone her true talent.