Named after French painter Jean Debuffet's definition of outsider art -- art by prisoners, loners, the mentally ill, and other marginalized people, and made without thought to imitation or presentation -- South London's Art Brut make brilliantly simple, cleverly stupid art-punk. Tagged by NME as part of the "Art Wave" scene that also includes bands such as Franz Ferdinand and Bloc Party, as well as other bands from Art Brut's New Cross locale, the group earned a lot of critical acclaim in both the U.K. and the U.S. with their 2005 debut, Bang Bang Rock & Roll. ~ Heather Phares