40 David J. Matthews, Dave Matthews Guitar, Piano, Electric guitar, Flute, Violin, Recorder Folk, American Trad Rock, Pop, Jam Band, Rock
4 + 20 Andrew R. Guarrine, Stephen Stills, Andrew R, Justin Johnson Guitar, Piano, Violin, Cello, Viola Pop, Folk
4 Beatles Songs Louis Andriessen, John Lennon, Paul McCartney, The Beatles Piano Folk, Pop Rock, Britpop, Psychedelic Rock, Pop
4 Chords Amanda Ghost, Amund Bjorklund, Adam Levine, Colin Hay, Espen Lind, Allan Pineda Lindo Viola, Soprano, Bass, Piano, Electric guitar Pop Rock, Rock, Folk, Pop
9 Crimes Lisa Hannigan, Scott S. Stewart, Damien Rice, Scott S Guitar, Piano Pop, Stage & Screen, Folk, Alternative Folk, Contemporary Folk
50/50 Lemar Obika, Tor Erick Hermansen, Hallgeir Rustan, Lemar, Tor Erik Hermansen Guitar, Electric guitar, Piano Pop, Pop Rock, Folk, Rhythm & Blues
50 Ways To Leave Your Lover Paul Simon, John Fries, Alexander L'Estrange, Mina Yu Guitar, Drums, Piano Folk Rock, Rock, Pop Rock, AM Pop, Pop
52nd Street Theme Bud Powell, Thelonious Monk, Sonny Rollins Tenor Saxophone, Piano, Organ, Keyboard Bebop, Jazz, Bop, Piano Jazz, Folk
5/6 Michael Natter, Jason Mraz Piano, Guitar Alternative Pop/Rock, Folk, Alternative Rock, Pop Rock, Pop
