Unnatural Selection Jennifer Lindberg, Matthew Bellamy Piano, Cello, Altviool, Altsaxofoon, Harp, Drums Indie Rock, Klassiek, Pop Rock, Art-Rock/Progressief, Alternatief
Unsatisfied Paul Westerberg, The Replacements Gitaar, Elektrische gitaar Alternatief, Pop, Rock, Folk, punk
Undertow Adam Jones, Tony Banks, Daniel Carey, Friedrich Burgmüller, Maynard James Keenan Gitaar, Piano Progressieve rock, Album Rock, Classic Rock, Folk, Pop
Undiscovered Emile Haynie, Martin Brammer, Ashlee Simpson, Amanda Ghost, Devonte Hynes, Steve Robson Gitaar, Piano, Elektrische gitaar Indiepop, Rock, Folk, Pop, Pop Rock
Unique Kris Allen, Rune Westberg, Jason Bradford Reeves, Lenka Kripac Drums, Trommelstel Pop, Alternatieve rock, Pop Rock
Unsaid Things Thomas Fletcher, Daniel Jones, Harry Judd, Danny Jones, James Elliot Bourne, Harry Mark Christopher Judd Gitaar, Piano, Elektrische gitaar Alternatieve Pop/Rock, Pop, Punk-Pop, Pop Rock, Rock
Unskinny Bop Bruce Johannesson, Bret Michaels, Brett Michaels, Poison, C. C. DeVille, Bobby Dall Piano, Gitaar Pop, Rock, Glam Rock, Folk, Hair-Metal
Unsteady Adam Levin, Alexander Grant, Alexander Junior Grant, Casey Harris, Addison Horner, Noah Feldshuh Piano, Gitaar, Sopraan, Altviool, Drums, Bas Indie Electronic, Alternatieve Pop/Rock, Indiepop, Pop, Pop Rock
Until The World Goes Cold Michael Baskette, Corey Beaulieu, Paolo Gregoletto, Matthew Heafy Gitaar Folk, Pop, Pop Rock, Rock
Untitled Finale Alexander Varkatzas, Travis Miguel, Daniel Jacobs, Brandon Saller, Marco McKnight Gitaar, Elektrische gitaar Metaal, Pop, Folk, Rock, Pop Rock
Up Adam Messinger, Demi Lovato, Daniel Davidsen, Robert Lange, Mich Hansen, Maegan Cottone Gitaar, Piano, Basgitaar, Marimba, Contrabas, Bas Pop Rock, Folk, Country, Dance-pop, New Age
Up Against The Wall Brad Daymond, Justin Timberlake, Alex Greggs, Jc Chasez, Tom Robinson Gitaar, Piano Pop, Folk, Rock, Pop Rock
Until The End Mark Klepaski, Aaron C. Fincke, The Nightwatchman, Benjamin Burnley, Aaron Fink, Mark J. Klepaski Gitaar, Piano, Elektrische gitaar, Drums, Trommelstel Folk, Alternatief, Pop Rock, Jazz, Metaal
Until The End Of The World The Edge Gitaar, Piano Alternatieve Pop/Rock, Pop, College Rock, Post-Punk, Pop Rock
untitled #1 Tim Rice-Oxley, Richard Hughes, Richard David Hughes, Timothy Johnson, Tom Chaplin Fluit, Piano, Gitaar, Klarinet, Viool, Altsaxofoon Alternatieve Pop/Rock, Rock, Brit-Pop, Folk, Pop
Unbelievable James Atkin, Jason Robert Brown, Irving Gordon, Jerry Livingston, Ian Dench, Derran Brownson Piano, Gitaar, Basgitaar, Drums, Elektrische gitaar Alternatieve dans, Club/Dans, Broadway, Pop, Musical
Unbelievers Susanne Hug, Jake Kyle, Paul Wigens Gitaar, Elektrische gitaar Rock, Britpop, Folk, Pop Rock
