Up In Flames Coldplay, Jonny Buckland, Joe Satriani, Chris Martin, Jon Buckland, Will Champion Piano, Guitarra Pop Rock, Pop, Britpop, Alternativa Adulta, Metal
Unbound Zachary Baker, Sean O'Loughlin, Avenged Sevenfold, Matthew Sanders, Brian Haner, James Sullivan Guitarra, Guitarra elétrica Metal, Pop, Heavy Metal, Metal Alternativo, Rock
U-Fig Daron Malakian, Shavo Odadjian, Serj Tankian, System Of A Down Guitarra elétrica, Guitarra Hard Rock, Pop Rock, Metal, Rock
Two Story Town Dean Grakal, Bon Jovi, Mark Hudson, Jon Bon Jovi, Richie Sambora Guitarra Metal, Hard Rock, Rock
Use The Man Dave Mustaine, Megadeth, Marty Friedman Guitarra, Guitarra elétrica Folclore, Rock, Metal, Pop, Pop Rock
Undivided Billy Falcon, Bon Jovi, Chris Loocke, Jon Bon Jovi, First Call, Simon Spang-Hanssen Guitarra, Piano, Guitarra elétrica, Bateria Country Pop, Cristão contemporâneo, Gospel, Pop, Pop Rock
Unknown Soldier Benjamin Burnley, Breaking Benjamin Guitarra, Guitarra elétrica Heavy Metal, Metal, Alternativa, Metal Alternativo, Rock
Unsainted Craig Jones, Corey Taylor, Sidney Wilson, James Root, Alessandro Venturella, M. Shawn Crahan Guitarra, Guitarra elétrica, Bateria Rock, Metal
Undertow Adam Jones, Tony Banks, Daniel Carey, Friedrich Burgmüller, Maynard James Keenan Guitarra, Piano Art-Rock/Progressivo, Pop, Folclore, Soft Rock, Rock Clássico
Unskinny Bop Bruce Johannesson, Bret Michaels, Brett Michaels, Poison, C. C. DeVille, Bobby Dall Piano, Guitarra Hair-Metal, Glam Rock, Heavy Metal, Pop Rock, Hard Rock
Untitled Finale Alexander Varkatzas, Travis Miguel, Daniel Jacobs, Brandon Saller, Marco McKnight Guitarra, Guitarra elétrica Metal, Pop, Folclore, Pop Rock, Rock
Until The End Mark Klepaski, Aaron C. Fincke, The Nightwatchman, Benjamin Burnley, Aaron Fink, Mark J. Klepaski Guitarra, Piano, Guitarra elétrica, Bateria Pop Rock, Metal, Alternativa, Folclore, Pop
Under And Over It Five Finger Death Punch, Kevin Churko, Jeremy Spencer, Ivan Moody, Thomas Jason Grinstead, Zoltan Bathory Guitarra, Guitarra elétrica Rock, Heavy Metal, Pop, Pop-Metal, Metal
Unholy Confessions Brian Haner Jr., James Sullivan, Brian Haner, Avenged Sevenfold, Matthew Sanders, Zachary Baker Baixo, Guitarra, Bateria, Tambor Metal Alternativo, Rock, Pop, Folclore, Emo
Unsung Vanessa Carlton, Page Hamilton, Rev. J. Troutbeck, Pink Floyd, Richard Wright Guitarra, Piano Metal, Rock, Alternativa Adulta, Folclore, Pop Rock
Until The Day Justin Foley, Killswitch Engage, Joel Michael Stroetzel, Adam Jonathan Dutkiewicz, Michael D'antonio, Jesse Leach Guitarra Metal, punk, Rock
