#2: Kelly Clarkson "Mr. Know It All"
NEW YORK, NY - JANUARY 21: Singer Kelly Clarkson performs at Radio City Music Hall on January 21, 2012 in New York City. (Photo by Mike Coppola/Getty Images)
#4: Gym Class Heroes "Stereo Hearts"
NEW YORK, NY - DECEMBER 09: Singer Travie McCoy of Gym Class Heroes performs onstage during Z100's Jingle Ball 2011, presented by Aeropostale at Madison Square Garden on December 9, 2011 in New York City. (Photo by Stephen Lovekin/Getty Images)(Photo by Stephen Lovekin/Getty Images)
#3: Daughtry "Crawling Back To You"
WEST HOLLYWOOD, CA - NOVEMBER 20: Musicians Josh Paul, Chris Daughtry, Josh Steely and Brian Craddock of Daughtry attend the Fiat Presents Jennifer Lopez's Official American Music Awards After Party at Greystone Manor Supperclub on November 20, 2011 in West Hollywood, California. (Photo by Chris Weeks/Getty Images for Fiat)
#5: Bruno Mars "It Will Rain"
LOS ANGELES, CA - NOVEMBER 30: Musician Bruno Mars poses in media room at The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on November 30, 2011 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
#1: Gavin DeGraw "Not Over You"
LAS VEGAS - JUNE 12: Singer/songwriter Gavin DeGraw arrives at the second annual Singles in Sin City event at the LAX Nightclub at the Luxor Resort & Casino June 12, 2010 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for Luxor)
#6: Nickelback "We Stand Together"
DETROIT, MI - NOVEMBER 24: Singer Chad Kroeger of Nickelback performs at halftime during the Thanksgiving Day game between the Green Bay Packers and the Detroit Lions at Ford Field on November 24, 2011 in Detroit, Michigan. (Photo by Gregory Shamus/Getty Images)
#9: Katy Perry "The One That Got Away"
LOS ANGELES, CA - DECEMBER 03: Singer Katy Perry attends the 3rd Annual "Change Begins Within" Benefit Celebration presented by The David Lynch Foundation held at LACMA on December 3, 2011 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
#11: Coldplay "Paradise"
NEW YORK, NY - OCTOBER 21: Singer/musician Chris Martin of Coldplay performs on NBC's "Today" at Rockefeller Center on October 21, 2011 in New York City. (Photo by Stephen Lovekin/Getty Images)
#12: Adele "Set Fire To The Rain"
LOS ANGELES, CA - AUGUST 28: Singer Adele performs onstage during the 2011 MTV Video Music Awards at Nokia Theatre L.A. LIVE on August 28, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)
#7: David Cook "Fade Into Me"
NEW YORK, NY - JUNE 28: David Cook performs at Best Buy on June 28, 2011 in New York City. (Photo by Astrid Stawiarz/Getty Images)
#14: Hot Chelle Rae "I Like It Like That"
NEW YORK, NY - DECEMBER 31: Ryan Follese of Hot Chelle Rae (C) performs at New Year's Eve 2012 in Times Square on December 31, 2011 in New York City. (Photo by Jemal Countess/Getty Images)
#8: Avril Lavigne "Wish You Were Here"
LONDON, ENGLAND - FEBRUARY 15: (UK TABLOID NEWSPAPERS OUT) Avril Lavigne attends The Brit Awards 2011 held at The O2 Arena on February 15, 2011 in London, England. (Photo by Dave Hogan/Getty Images)
#15: Foster The People "Don't Stop"
NEW YORK, NY - DECEMBER 09: (L-R) Mark Pontius, Mark Foster, and Cubbie Fink of Foster the People attend Z100's Jingle Ball 2011, presented by Aeropostale Madison Square Garden on December 9, 2011 in New York City. (Photo by Michael Loccisano/Getty Images)
#16: Train "Drive By"
LAS VEGAS, NV - OCTOBER 29: Musician Scott Underwood (L) and singer Patrick Monahan of Train perform onstage during the Andre Agassi Foundation for Education's 16th Grand Slam for Children benefit concert at the Wynn Las Vegas on October 29, 2011 in Las Vegas, Nevada. The event raises funds to help improve education for underserved youth in the Las Vegas community. (Photo by Ethan Miller/Getty Images)
#17: Kelly Clarkson "Stronger"
NEW YORK, NY - DECEMBER 18: Kelly Clarkson performs onstage during VH1 Divas Celebrates Soul at Hammerstein Ballroom on December 18, 2011 in New York City. (Photo by Jemal Countess/Getty Images for Vh1)
#10: The Fray "Heartbeat"
NEW YORK, NY - JANUARY 19: (EXCLUSIVE COVERAGE) Ben Wysocki, Joe King, Isaac Slade, and Dave Welsh of The Fray visit SiriusXM Studio on January 19, 2012 in New York City. (Photo by Cindy Ord/Getty Images)
#18: Bush "The Sound Of Winter"
LAS VEGAS, NV - SEPTEMBER 29: Bush singer/guitarist Gavin Rossdale performs at The Joint inside the Hard Rock Hotel & Casino as the band tours in support of the new album, "The Sea of Memories" September 29, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
#19: Colbie Caillat "Brighter Than The Sun"
SAN DIEGO, CA - SEPTEMBER 11: Singer Colbie Caillat performs the National Anthem prior to the start of the game between the Minnesota Vikings and the San Diego Chargers at Qualcomm Stadium on September 11, 2011 in San Diego, California. The Chargers defeated the Vikings 24-17. (Photo by Jeff Gross/Getty Images)
#20: Christina Perri "A Thousand Years"
LOS ANGELES, CA - NOVEMBER 14: Actress Christina Perri arrives at the Premiere of Summit Entertainment's "The Twilight Saga: Breaking Dawn - Part 1" at Nokia Theatre L.A. Live on November 14, 2011 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
#13: Lady Antebellum "Just A Kiss"
LOS ANGELES, CA - NOVEMBER 20: (L-R) Musicians Dave Haywood, Hillary Scott and Charles Kelley of Lady Antebellum, winners of Favorite Country Band/Duo/Group Award, pose in the press room at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)