Alvin, Simon, and Theodore are back in 2008 with their first new non-soundtrack album in over 15 years. Undeniable features covers of major hits that have spent in excess of 100 weeks on the Billboard Hot 100 chart (including six songs that broke into the top 20!), as well as four new Chipmunks originals. With the band's 50th anniversary, The Chipmunks deliver yet another hit record as the follow-up to last year's platinum-selling. With over 40 million albums sold worldwide, two #1 Billboard Hits, and 3 GRAMMY® Awards, The Chipmunks are a phenomenon that just won't quit, and to celebrate their 50th anniversary Undeniable which was produced by Ali Dee (Speed Racer, Transformers, Garfield soundtracks).
