Old Town Road Kiowa Roukema, Atticus Ross, Jocelyn Donald, Daniel Neumann, Rhea Tucker, Glenda Austin Trompete, Oboe, Schlagzeug, Posaune, Bratsche, Ukulele Hip Hop, Klassischer Pop, Kammermusik, Kinder, Rock
Oliver James Fleet Foxes, Robin Pecknold Klavier, Gitarre, E-Gitarre Alternative Pop/Rock, Pop, Folk Rock, Rock, Alternative Folk
Oliver's Army Elvis Costello, Derek STUART-CLARK Klavier, Ukulele, Flöte, Gitarre, E-Gitarre, Cello Pop Rock, Neue Welle, Rock, Pop, Volksmusik
Old School Hollywood Daron Malakian, System Of A Down, Serj Tankian Gitarre, E-Gitarre Bühne & Leinwand, Pop Rock, Metall, Hard Rock, Rock
Old Enough Jack White, Brendan Benson, The Ranconteurs, The Raconteurs Gitarre Garage-Rock-Wiederbelebung, Rock, Indie-Rock, Pop Rock, Alternative Pop/Rock
O Lover Dennis Morris, Jason Mraz E-Gitarre, Ukulele, Klavier, Gitarre Alternative Pop/Rock, Pop, Rock, Alternative Rock, Volksmusik
OMG Yiva Anna Birgitta Dimberg, Han Ngoc Pham, Jin Suk Park, Hyunji Kim, Hyun Ji Kim, David Dawood Schlagzeug, Klavier, Gitarre, E-Gitarre Volksmusik, Hip Hop, Dance-Pop, Rhythm & Blues, Pop Rock
Omerta John Campbell, Will Adler, Chris Adler, Randy Blythe, David Blythe, Lamb Of God Gitarre, E-Gitarre Black Metal, Death Metal, Metall, Rock, Pop Rock
Ode To My Family Noel Hogan, The Cranberries, Dolores O'Riordan Gitarre, Klavier, E-Gitarre Alternative Pop/Rock, Rock, Pop, Nach dem Grunge, Celtic Rock
Of All The Gin Joints In All The World Andrew John Hurley, Patrick Stumph, Joe Trohman, Andrew Hurley, Fall Out Boy, Peter Wentz Gitarre, E-Gitarre Punk-Pop, Emo, Metall, Punk, Alternative Rock
On A Holiday Van Dyke Parks, Brian Wilson Klavier, Gitarre, E-Gitarre Kammermusik, Pop, Volksmusik, Pop Rock, Psychedelisch
On A Plain Kurt Cobain, Nirvana Schlagzeug, Gitarre, Klavier, Ukulele, Bassgitarre, E-Gitarre Alternative, Pop, Jazz, Rock, Pop Rock
On A Real Lonely Night Warren Haynes Gitarre, E-Gitarre Boogie Woogie, Pop, Pop Rock, Blues, Volksmusik
