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
Under A Violet Moon Candice Night, Ritchie Blackmore, Blackmore S Night, Jussi Kontinen Guitarra, Piano, Guitarra elétrica Pop, Medieval, Rock
Under The Christmas Lights Justin Tranter, Darrell Richings, Gwen Stefani, Michael Ford Busbee Piano, Viola, Saxofone Alto, Saxofone Pop, Rock
Un Dia Paul Stelben, Dario D'aversa, Clarence Coffee, Benito Antonio Martinez Ocasio, Dua Lipa, Ivanni Rodriguez Glockenspiel Latin Pop, Pop
Un Dia Normal Juan Esteban Aristizabal Guitarra, Guitarra elétrica Folclore, Folclore Mundo e País, Pop, Latim, Rock
Undone Bart Millard, All That Remains, Robby Shaffer, Mike Scheuchzer, Pete Kipley, Barry Graul Guitarra, Piano, Guitarra elétrica Rock Alternativo, Pop, Folclore, Metal, Pop Rock
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
Used To Love Her Izzy Stradlin, Duff 'Rose' McKagan, Renny Gamarra Loaiza, Guns N' Roses, Axl Rose, W. Axl Rose Guitarra, Piano, Ukulele Hard Rock, Álbuns de Rock, Rock, Pop Rock, Pop
Use It Up And Wear It Out Sandy Linzer, L. Russell Brown, John Ivor Holland, Lawrence Brown, Odyssey Piano Folclore, Pop, Pop Rock, Rock, Disco
Unknown Legend Neil Young, Crazy Horse, Niels Dolieslager Piano, Guitarra Pop, Pop Rock, Country, Álbuns de Rock, Folk Rock
Unnamed series four short pieces for Orchestral instruments Roque Lazarus Clássica, Pop, Dia dos Namorados
Uno Marcus Silva, Matthew Bellamy, Luis Miguel, Ludovico Einaudi, Mariano Mores, Enrique Santos Discepolo Guitarra, Piano, Violoncelo, Viola, Violino Pop, Clássica, Rock, Folclore, Latim
Unpretty Dallas Austin, Red Hot Chili Peppers, Marqueze Etheridge, Tionne Watkins Guitarra, Piano Hip Hop, Dança, Clube/Dança, Folclore, Pop
