Ambulance LTD, shoegaze indie rock group -- Antony and the Johnsons, heartfelt singer with ethereal vocals -- David Archuleta, American Idol runner-up -- Avett Brothers, rootsy rockers with a punk edge -- Backstreet Boys, internationally popular boy band -- Bell Biv Devoe, R&B trio that mixes hip-hip and soul -- Bjork, Icelandic singer/songwriter with a world sound -- The Black Ghosts, electronic dance music duo -- The Blow, performing artist and electronic rock singer -- Bonobo, pioneering musician and producer of electronica -- Boys Like Girls, four-piece pop-punk group -- Cat Power, soulful independent rocker -- Clap Your Hands Say Yeah, unsigned indie rock group -- David Cook, innovative American Idol rocker -- Dave Matthews Band, immensely popular jazz/pop band, Danielle de Niese, rising young opera star -- The Dramatics, funky soul singers and entertainers -- Dropkick Murphys, Celtic-influenced American punk band -- The 88, infectious power-pop quartet -- Emerson Drive, country music group with Canadian roots -- A Fine Frenzy, contemporary musician influenced by literature -- Flight of the Conchords, quirky folk duo from New Zealand -- Flyleaf, heavy metal Christian Goth band -- The Fratellis, short-lived pub rock band -- Get Set Go, energetic power-pop group -- Ghostface Killah, original Wu-Tang member turned solo rap artist --

Gomez, Brit-pop band with roots in American music -- David Guetta, French DJ and successful music producer -- Incubus, heavy metal rock band with an eclectic style -- Jamiroquai, electric jazz-influenced British band -- Janine Jensen, Dutch violinist embracing digital music -- Casey Kasem, American Top 40 radio show icon -- Alicia Keys, hip-hop singer with classical piano training -- Lady Gaga, modern glam pop-rocker -- Marcy Playground, charismatic grunge rock group -- Ricky Martin, energetic Latin pop singer -- Kylie Minogue, night club pop diva -- Mandy Moore, pop singer from Broadway background -- Alexi Murdoch, alternative rock singer with broad appeal -- Kate Nash, singer/songwriter with retro-London sound, Matt Nathanson, alternative rock singer and showman -- Paolo Nutini, wide-ranging pop singer -- Old Crow Medecine Show, vintage acoustic folk band -- Onerepublic, former music producer leads pop band -- Landon Pigg, self-taught pop musician -- Pinback, postmodern indie rock group -- Pitbull, reggaeton rap artist -- Placebo, British rock trio -- Play, fashionable Swedish pop group -- P.O.D, hard-rock Christian band -- Pomegranates, indie rock quartet -- Jerry Reed, influential country singer -- Robyn, electronic dance and pop singer -- Rogue Wave, San Francisco-based pop group -- Runaways, edgy all-girl rock band -- Seether, South African heavy metal band -- The Servant, rock group with funk and soul influences --

She and Him, pop duo with classic rock style

Spoon, indie rock group

Stars, synthesized indie band

Sugababes, all-female pop singing group

Tally Hall, Detroit indie rockers

Sebastien Tellier, progressive French singer/songwriter, 30 Odd Foot of Grunts, Australian rock band

Viva Voce, married pop rock duo

Rufus Wainwright, classical jazz and broadway-styled singer

We Are Scientists, internationally popular indie rock group

White Stripes, bluesy rock duo

Wilco, pop band with country and punk roots

Yungchen Lhamo, Tibetan traditional spiritual singer.