Sum 41 Review - Includes a detailed biography, and review for each of the bands albums. Sum 41 - Offers a very detailed review on the album Underclass Hero. Sum 41 - Offers a detailed biography of the band including members, discographies and related articles. Sum 41 Lyrics - Lyrics and discography sorted by album. Sum 41 Chords - Offers a small biography of the band and chords from multiple songs. Sum 41 Information - Offers a detailed biography for the band and also includes a review for each album. MTV: Sum 41 - News, links, music videos, audio samples, and a biography. Allmusic.com: Sum 41 - Biography, discography, and audio clips. Yahoo: Sum 41 - Biography, discography, news, and videos. Songsterr: Sum 41 Guitar Tabs - Offers guitar tabs and chords, accurately rated and filtered for good results.