Two Worlds Collide Kevin Jonas II, Nick Jonas, David Lartey, Demi Lovato, Nicholas Jonas, Joe Jonas Viola, Violin, Cello, Piano, Guitar Teen Pop, Dance-pop, Pop, Pop Rock, Folk
U Make Me Wanna John Mclaughlin, Harry Wilkins, Stephen Robson, Jon McLaughlin, Steve Robson Guitar, Piano Pop, Pop Rock, Folk, Teen Pop
Underdog Joe Jonas, Jeff Tincher, Ed Sheeran, Amund Bjorklund, Alicia Keys, John McDaid Piano, Guitar, Ukulele, Viola, Baritone, Soprano Pop, alternative, Rhythm & Blues, Indie, Funk
Two More Lonely People Angie Aparo, Brandon Jane, Kevin Kadish, Miley Cyrus, Antonina Armato Guitar, Piano Dance-pop, Pop, Folk, Teen Pop
Underneath This Smile Hilary Duff, Kara DioGuardi, John Shanks Piano, Guitar Dance-pop, Folk, Pop, Teen Pop, Pop Rock
U Got Nothin' On Me Mher Filian, Isaac Hasson, Demi Lovato Guitar, Piano, Electric guitar Teen Pop, Dance-pop, Pop
Unwanted Avril Lavigne, Clif Magness, Clifton Magness Piano, Guitar, Electric guitar Folk, Adult Alternative, punk, Pop, Teen Pop
Unconditionally Henry Russell Walter, Johannes Christ, Dr. Luke, Elvis Presley, Earl Rose, Katy Perry Piano, Guitar, Bass, Viola, Cello, Violin Classical Pop, Teen Pop, Chamber Music, Pop Rock, Pop
Underneath Trina Harmon, Jessica Simpson, Arama Brown, Matthew Gerrard, Toby Gad Guitar, Piano, Electric guitar Adult Contemporary, Teen Pop, Dance, Folk, Pop
Unreachable Billy Mann, Ashlee Simpson, Robbie Nevil, Stan Frazier, Steve Fox Electric guitar, Guitar, Piano Teen Pop, Pop, Dance-pop, Folk
Up All Night David Beal, Brett Beavers, Bart Butler, Ben Mark, One Direction, Johnny Borrell Bass guitar, Piano, Guitar, Euphonium, Baritone Sax, Cornet Dance-pop, Country, Rock, Europop, Pop Rock
U Smile Felipe Gonçalves, Arden Altino, Jerry Duplessis, Dan Rigo, August Rigo, Justin Bieber Guitar, Piano, Electric guitar, Ukulele, Bass Drum, Bass guitar Contemporary R&B, Pop, Rhythm & Blues, Folk, Teen Pop
Until You're Mine Demi Lovato, Andy Dodd, Adam Watts Guitar, Piano, Electric guitar Folk, Dance-pop, Pop Rock, Pop, Teen Pop
Untouched Tobias Gad, Toby Gad, Tobias Gas, Jessica Origliasso, Deke Sharon, The Veronicas Viola, Soprano, Guitar, Piano Pop, Punk-Pop, Dance-pop, Teen Pop, Rock
Video Girl Joseph Jonas, Jonas Brothers, Joe Jonas, Kevin Jonas II, Nick Jonas, Nicholas Jonas Guitar, Piano, Electric guitar Soundtrack, Pop, Pop Rock, Folk, Stage & Screen
Viva Forever Melanie C, Matt Rowe, Melanie Chisholm, Katherine Burr, Emma Bunton, Geri Halliwell Guitar, Electric guitar, Piano, Flute, Alto Saxophone, Clarinet Teen Pop, Adult Contemporary, Stage & Screen, Pop, Club/Dance
Wait A Minute Jade Ewen, Toby Gad, Keri Lynn Hilson, Timothy Mosley, Pussycat Dolls Piano, Guitar, Electric guitar Pop, Folk, Dance-pop, Club/Dance, Hip Hop
Waiting Outside The Lines Antonius Agung Setiawan, Greyson Chance, Eric Bellinger, Ernest Clark, Aaron Michael Cox, Marcos Palacios Piano, Guitar Pop Rock, Pop, Teen Pop
