Unique Kris Allen, Rune Westberg, Jason Bradford Reeves, Lenka Kripac Batterie Rock alternatif, Pop, Pop Rock
Unknown Jacob Akinoso, Jacob Banks, Música al Piano, John Newman, Timothy Mosely, Jose Angel Velazquez Piano, Guitare Pop, Âme, Rhythm & Blues, Folk
Unreachable Billy Mann, Ashlee Simpson, Robbie Nevil, Stan Frazier, Steve Fox Guitare électrique, Guitare, Piano Pop, Pop adolescente, Folk, Dance-pop
Unsaid Things Thomas Fletcher, Daniel Jones, Harry Judd, Danny Jones, James Elliot Bourne, Harry Mark Christopher Judd Piano, Guitare, Guitare électrique Rock, Pop/Rock alternatif, Pop, Folk, Pop Rock
Unsaveable Bobby Terry, Bekka Bramlett, Faith Hill Piano, Guitare Country contemporain, Pop, Country Pop, Adulte contemporain, Rock
Un Sentimental Julio Iglesias, Rafael Ferro, Ramon Arcusa Piano Adulte contemporain, Folk, Jazz, Latin, Pop
Unskinny Bop Bruce Johannesson, Bret Michaels, Brett Michaels, Poison, C. C. DeVille, Bobby Dall Guitare, Piano Folk, Hard Rock, Heavy Metal, Pop, Métal
Unsteady Adam Levin, Alexander Grant, Alexander Junior Grant, Casey Harris, Addison Horner, Noah Feldshuh Guitare, Piano, Ténor, Basse, Batterie, Alto Pop, Pop/Rock alternatif, Pop Rock, Rock, Folk
Until The World Goes Cold Michael Baskette, Corey Beaulieu, Paolo Gregoletto, Matthew Heafy Guitare Folk, Rock, Pop, Pop Rock
Untitled Finale Alexander Varkatzas, Travis Miguel, Daniel Jacobs, Brandon Saller, Marco McKnight Guitare, Guitare électrique Métal, Pop, Pop Rock, Rock, Folk
Untitled I Richard Hughes, Tom Chaplin, Tim Rice-Oxley Guitare, Piano Alternative adulte, Rock, Rock alternatif, Piano Rock, Pop
Unusual You Kasia Livingston, Pontus Johan Winnberg, Christian Lars Karlsson, Henrik Jonback Piano Pop
Up Adam Messinger, Demi Lovato, Daniel Davidsen, Robert Lange, Mich Hansen, Maegan Cottone Xylophone, Clavecin, Guitare, Guitare électrique, Piano, Basse Country, Dance-pop, Pop, Folk, Folk Monde et Country
Up Against The Wall Brad Daymond, Justin Timberlake, Alex Greggs, Jc Chasez, Tom Robinson Guitare, Piano Folk, Pop Rock, Pop, Rock
Instrumental Duet - Up on the Housetop Francesco Leone, Carolyn Dawn Gardner, Ester Alessandrini, B.R. Handy, Allen Pote, Big Bill Durham Clarinette, Baryton, Violon, Ténor, Saxophone ténor, Flûte R&B contemporain, Enfants, Gospel, Folk, Blues
Upper Manhattan Medical Group Jack Grassel, Billy Strayhorn, Matt Belzer Basse, Soprano Saxophone, Alto, Ténor, Baryton, Soprano Folk, Jazz, Pop
Unshakable Kingdom William Gaither, Bill Gaither, Gloria Gaither, Michael W. Smith, Sandi Patty, William J. Gaither Piano, Guitare Chrétien contemporain, Folk, Gospel, Pop
