 | | Featuring the anthemic songwriting of Ryan Tedder, OneRepublic rose to prominence in 2007, when "Apologize" began its reign as the most popular digital download in American history. |
 | | Train was inescapable during the turn of the 21st century, when songs like "Calling All Angels" and "Drops of Jupiter" made the San Francisco residents some of America's most popular balladeers. |
 | | A self-described "Celtic soul" trio, the Script were founded by guitarist Mark Sheehan and vocalist Danny O'Donoghue in 2001. |
 | | Melding elements of rap, rock, R&B, and funk into one cohesive and melodic sound, upstate New York's Gym Class Heroes have diverse appeal based on their impressive musical dexterity. |
 | | With an eye toward reinventing the boy band sound, the Wanted formed in 2009, nearly 10 years after groups like N ‘Sync and the Backstreet Boys hit their commercial peak. |
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 | | Years before "I Don't Want to Be" propelled him to pop/rock success, songwriter Gavin DeGraw began honing his piano skills at the age of eight, followed by his participation in several cover bands with his older brother in upstate New York. |
 | | Canadian pop star Carly Rae Jepsen spent her formative years absorbing pop culture in her hometown of Mission, British Columbia. |
 | | Led by singer/songwriter Jason Wade, Lifehouse emerged in the early 2000s with a commercial blend of pop/rock melody and throaty, post-grunge vocals. |
 | | Although initially viewed as another face in the late-'90s crowd of teen pop acts, Pink (professionally known as P!nk) quickly transcended and outgrew that label with her combination of pop songcraft and powerhouse, rock-influenced vocals. |
 | | After working a string of behind-the-scenes jobs -- including writing songs for Brandy, singing backup for the Sugababes, and impersonating Elvis -- songwriter/producer Bruno Mars put his name on top of the charts in 2009 by co-writing Flo Rida's hit song "Right Round. |
 | | The winner of Fox TV's first American Idol competition during the summer of 2002, Kelly Clarkson went from an anonymous talent to a nationally known singer in a matter of months, performing for an audience of millions. |
 | | A former Christian artist, Katy Perry rebranded herself as a larger-than-life pop star and rose to prominence during the summer of 2008. |
 | | The winner of the 11th season of Fox's American Idol, singer Phillip Phillips is a soulful vocalist with a throaty style and a bent toward mixing acoustic singer/songwriter material with jam-oriented rock. |
 | | Provo, Utah's poppy dance-punk band Neon Trees features vocalist/keyboardist Tyler Glenn, guitarist Chris Allen, bassist Branden Campbell, and drummer/vocalist Elaine Bradley. |
 | | Jason Mraz hails from Mechanicsville, Virginia, where the singer/songwriter grew up amidst the sounds of the Dave Matthews Band and local roots musicians the Agents of Good Roots. |
 | | Following the Format's breakup in 2008, frontman Nate Ruess took his songwriting skills to Steel Train's Jack Antonoff and Anathallo's Andrew Dost, both of whom shared a similar affinity for vintage pop music and quirky, melodic hooks. |
 | | The Black Eyed Peas transcended hip-hop to become one of the most commercially successful pop groups of the 2000s. |
 | | By pitching their music somewhere between the arena-friendly style of U2 and the mature pop/rock of bands like Maroon 5 and Counting Crows, the Fray rose to commercial prominence with their 2005 debut, How to Save a Life. |
 | | As the lead singer and principal songwriter for Matchbox Twenty, Rob Thomas found success with a blend of '70s rock influences, slick hooks, and 1990s post-grunge crunch. |
 | | Flame-haired singer/songwriter, beatboxer, and guitarist Ed Sheeran's eclectic blend of acoustic pop, folk, and hip-hop has been championed by everyone from the underground grime scene to American Oscar winners. |
 | | Hot Chelle Rae took shape in 2005, balancing the polished sounds of mainstream pop with energized, guitar-heavy dance-rock. |
 | | With a "cheeky chappy" persona to match Robbie Williams and vocals reminiscent of original Pop Idol Will Young, former call-center worker Olly Murs was one of the success stories of the 2009 season of The X Factor, finishing runner-up to Joe McElderry in the hotly contested final. |
 | | By age 21, vocalist Colbie Caillat had evolved swiftly from an aspiring R&B/folk singer to a pop sensation, a feat that owed as much to the marketing assistance of MySpace as the meteoric popularity of her debut single, "Bubbly. |
 | | Actress/vocalist Demi Lovato began making a name for herself after starring alongside the Jonas Brothers in the 2008 Disney Channel movie Camp Rock. |
 | | Cher Lloyd came to notice as a contestant on series seven of Simon Cowell's U.K. talent program The X Factor. |
 | | Glamorously gaudy, a self-made post-modern diva stitched together from elements of Madonna, David Bowie, and Freddie Mercury, Lady Gaga was the first true millennial superstar. |
 | | Owl City is the musical brainchild of Adam Young, who launched the project in 2007 while living at his parents' home in Owatonna, Minnesota. |
 | | Originally from New Zealand, Natasha Bedingfield grew up in southeast London, where she and her siblings were raised around music. |
 | | A brash and driven pop singer/songwriter, Ke$ha (Kesha Rose Sebert) was born in Los Angeles but moved at the age of four to Nashville, where her mother -- a longtime songwriter -- had inked a publishing deal. |
 | | Following the success of JLS and the Wanted, X-Factor contestants One Direction were the next group of heartthrobs to help revive the previously dying concept of the boy band. |
 | | Hailing from the suburbs of Chicago, the punk-pop outfit Plain White T's began taking shape in 1997, a full ten years before the acoustic ballad "Hey There Delilah" made them Grammy-nominated stars. |
 | | Crafting a pop-meets-hip-hop sound they call "swag-pop," Karmin is the project of singer/rapper Amy Heidemann and Nick Noonan. |
 | | Avril Lavigne first appeared in summer 2002, touting an addictive debut single (the spunky pop/rock gem "Complicated") and a skatepunk image that purposely clashed with the polished glamour of mainstream pop. |
 | | Five for Fighting is the one-man band of John Ondrasik, who rose to fame in 2001 on the strength of the pop/rock ballad "Superman (It's Not Easy). |
 | | When the U.K. press began dubbing Adele "the next Amy Winehouse" in late 2007, the hype didn't touch upon the heavy singer/songwriter influence found in the Londoner's music. |
 | | Before becoming a front-runner in the eighth season of American Idol, Adam Lambert made his name in the theater world, where he performed alongside Val Kilmer in the debut production of Ten Commandments: The Musical and landed an understudy role in a touring production of Wicked. |
 | | Pop singer Justin Bieber was barely into his teens when he released his platinum-selling debut, My World, and became one of 2009's youngest success stories. |
 | | As the legend of Cobra Starship would have it, frontman Gabe Saporta fled into the deserts of Arizona one day to find the true meaning of his existence away from his emo-rock band, Midtown. |
 | | Flo Rida, unsurprisingly a native Floridian, is an MC who toured as a teenager with 2 Live Crew's Fresh Kid Ice and began popping up on high-profile mixtapes by 2006, most notably DJ Khaled's We the Best -- on "Bitch I'm from Dade County," he appeared with the likes of Rick Ross, Trick Daddy, Trina, and Dre (of Cool & Dre). |
 | | During the summer of 2010, Christina Perri -- a 23-year-old café waitress who'd been moonlighting as an unsigned songwriter -- went from obscurity to the upper reaches of the Billboard charts in two short weeks. |
 | | A singer/songwriter with a bent toward contemporary soul and pop, Andy Grammer is the son of children's music artist Red Grammer. |
 | | Influenced by Nina Simone, Massive Attack, and Joni Mitchell, jazz-soul artist Emeli Sandé regularly provided guest vocals for several of the U. |
 | | A DJ, producer, and sometimes singer, Australia's Havana Brown began her career in a band called Fishbowl. |
 | | Combining the vocal prowess of Beyoncé, the genre-hopping sounds of Gwen Stefani, and the feisty attitude of P!nk, songwriter Jessie J eventually overcame various career setbacks and health problems to become a star in her own right. |
 | | Taio Cruz is a British pop singer/songwriter whose second album, Rokstarr, catapulted him to international chart-topping success in 2010 with its smash hit singles "Break Your Heart" and "Dynamite. |
 | | R&B vocalist Jason Derülo launched his career while still in his teens, first as a songwriter for other artists and later as a solo performer. |
 | | The work of rapper and producer will.i.am helped make Black Eyed Peas one of the most intriguing acts in hip-hop, and later made them one of the most popular acts on the charts when the albums Elephunk (2003) and Monkey Business (2005) started ascending the charts. |
 | | A former British Army officer, singer/songwriter James Blunt is a thoughtful performer with a knack for crafting melodic contemporary soft rock tunes. |
 | | When Nelly Furtado appeared with her neo-hippie, multiculti debut, Whoa, Nelly!, in 2001, a dance-diva makeover seemed like an impossibility, but the singer/songwriter revived and sustained her career with the sexually charged Loose in 2006, in the process consolidating her position as one of the most unpredictable artists of her decade. |