Underneath Your Clothes Shakira, Lester Mendez, Lester A. Mendez Piano, Guitarra, Teclado eletrônico, Órgão Latim, Folclore Mundo e País, Dance-pop, Adulto Contemporâneo, Pop
Underwater Ludovico Einaudi, Nicholas Littlemore, Big Fish, Mika, Lin Marsh, Danny Elfman Piano, Guitarra Dança, Palco & Tela, Clássica, Pop Rock, Dance-pop
Union Of The Snake Duran Duran, Roger Taylor, Simon Le Bon, Andy Taylor, Simon LeBon, John Taylor Guitarra, Piano, Guitarra elétrica Pop, Synth-pop, Folclore, Dance-pop, Nova Onda
Underground Ben Folds, David Bowie, David Bryan, Ben Folds Five, Joe DiPietro, Alison Harbottle Piano, Guitarra, Baixo, Bateria, Viola, Violino Pop Rock, Trilha sonora, Rock, Dance-pop, Broadway
Under The Sheets Ellie Goulding, Fin Dow-Smith Piano, Guitarra, Guitarra elétrica Dance-pop, Pop Rock, Folclore, Rock, Pop
Underground Machine Mark Owen, Howard Donald, Jason Orange, Robbie Williams, Take That, Gary Barlow Piano, Guitarra Dance-pop, Brit-Pop, Folclore, Pop/Rock Alternativo, Alternativa Adulta
Unfaithful Jan A.P. Kaczmarek, Marek Czekala, Mikkel Storleer Eriksen, Mikkel Eriksen, Shaffer Smith, Tor Erik Hermansen Guitarra, Piano, Guitarra elétrica Dança, Palco & Tela, Pop Rock, Dance-pop, Folclore
Unreachable Billy Mann, Ashlee Simpson, Robbie Nevil, Stan Frazier, Steve Fox Piano, Guitarra, Guitarra elétrica Dance-pop, Pop, Folclore, Teen Pop
Up Adam Messinger, Demi Lovato, Daniel Davidsen, Robert Lange, Mich Hansen, Maegan Cottone Guitarra, Piano, Baixo, Marimba, Contrabaixo, Guitarra elétrica Nova Era, Country, Folclore, Dance-pop, Palco & Tela
Unsuspecting Sunday Afternoon Dan Muckala, Backstreet Boys, Billy Mann, Howie Dorough, Alexander McLean, Howard Dorough Guitarra, Piano Pop, Adulto Contemporâneo, Dança, Dance-pop, Folclore
Until The End Of The World The Edge Guitarra, Piano Pop, College Rock, Pop Rock, Dance-pop, Pop/Rock Alternativo
Up All Night David Beal, Brett Beavers, Bart Butler, Ben Mark, One Direction, Johnny Borrell Guitarra, Piano, Baixo, Corneta, Trompa barítono, Tuba Folclore, Rock, Country, Dance-pop, Pop Rock
Used To Love Albin Nedler, Dean Lewis, Martin Garrix, Martijn Garritsen, EDM Piano, Kristoffer Fogelmark Guitarra, Piano Eletrônico, Pop, Dance-pop
Unkiss Me Adam Levine, Maroon 5, Johan Carlsson, Johan Jens Erik Carlsson, Ross Golan Piano, Guitarra Folclore, Pop, Alternativa Adulta, Rock Alternativo, Dance-pop
Vacation Karen Valentine, Jane Wiedlin, Connie Francis, Michael Thomas Coull, Kathy Valentine, Charlotte Caffey Piano, Guitarra, Tenor, Guitarra elétrica, Saxofone Tenor, Saxofone Alto Palco & Tela, Pop, Nova Onda, Country, Jazz
Un, Dos, Tres Maria Ricky Martin, Ian Blake, Karl Porter, I Blake, K Porter, Luis Gomez-Escolar Guitarra, Piano Dance-pop, Latim, Pop, Latin Pop
Unpretty Dallas Austin, Red Hot Chili Peppers, Marqueze Etheridge, Tionne Watkins Guitarra, Piano Hip Hop, Dança, Clube/Dança, Folclore, Pop
Until You're Mine Demi Lovato, Andy Dodd, Adam Watts Piano, Guitarra, Guitarra elétrica Folclore, Dance-pop, Teen Pop, Pop Rock, Pop
Untouched Tobias Gad, Toby Gad, Tobias Gas, Jessica Origliasso, Deke Sharon, The Veronicas Guitarra, Piano, Soprano, Viola Rock, Pop Rock, Teen Pop, Folclore, Punk-Pop
Unwritten Natasha Bedingfield, Roger Emerson, Steve Zegree, Danielle Brisebois, Stephen Bulat, Wayne Rodrigues Guitarra, Piano, Oboé, Banjo, Flauta doce, Tenor Dance-pop, Musical, Folclore, Palco & Tela, Pop
