premise: Alvin and the Chipmunks is a film.
hypothesis: Alvin and the Chipmunks , originally David Seville and the Chipmunks or simply The Chipmunks , is an American animated music group created by Ross Bagdasarian , Sr. , for a novelty record in 1958 . In the 2007 CGI/live-action film adaptation and its 2009 sequel , they were voiced in dialogue by Justin Long , Matthew Gray Gubler and Jesse McCartney . Alvin and the Chipmunks is a 2007 American live-action/computer animated musical family comedy film directed by Tim Hill . Based on the characters of the same name created by Ross Bagdasarian , Sr. , the film stars Jason Lee , David Cross , and Cameron Richardson with the voices of Justin Long , Matthew Gray Gubler and Jesse McCartney . It was released worldwide on December 14 , 2007 by 20th Century Fox and produced by Fox 2000 Pictures , Regency Enterprises and Bagdasarian Company .