Old Town Road Kiowa Roukema, Atticus Ross, Jocelyn Donald, Daniel Neumann, Rhea Tucker, Glenda Austin Cello, Violin, Tenor Saxophone, Trombone, Tuba, Alto Saxophone Pop Rock, Country, Pop, Folk, Rock
Oliver James Fleet Foxes, Robin Pecknold Piano, Guitar, Electric guitar Alternative Pop/Rock, Country, Indie Rock, Pop, Folk Rock
Oliver's Army Elvis Costello, Derek STUART-CLARK Guitar, Piano, Ukulele, Flute, Violin, Cello New Wave, Pop, Folk, Post-Punk, Pop Rock
Old School Hollywood Daron Malakian, System Of A Down, Serj Tankian Electric guitar, Guitar Metal, Pop Rock, Hard Rock, Rock, Stage & Screen
Old Enough Jack White, Brendan Benson, The Ranconteurs, The Raconteurs Guitar Rock, Alternative Pop/Rock, Indie Rock, Garage Rock Revival, Pop Rock
O Lover Dennis Morris, Jason Mraz Guitar, Piano, Ukulele, Electric guitar Rock, Alternative Rock, Alternative Pop/Rock, Folk, Pop
OMG Yiva Anna Birgitta Dimberg, Han Ngoc Pham, Jin Suk Park, Hyunji Kim, Hyun Ji Kim, David Dawood Electric guitar, Guitar, Piano, Drums, Drum Set Rhythm & Blues, Folk, Dance-pop, Pop Rock, Hip Hop
Omerta John Campbell, Will Adler, Chris Adler, Randy Blythe, David Blythe, Lamb Of God Guitar, Electric guitar Death Metal, Black Metal, Metal, Pop Rock, Rock
Ode To My Family Noel Hogan, The Cranberries, Dolores O'Riordan Guitar, Piano, Electric guitar Adult Alternative, Pop Rock, Alternative Pop/Rock, alternative, Post-Grunge
Of All The Gin Joints In All The World Andrew John Hurley, Patrick Stumph, Joe Trohman, Andrew Hurley, Fall Out Boy, Peter Wentz Guitar, Electric guitar Pop, Alternative Rock, Punk-Pop, punk, Emo
On A Holiday Van Dyke Parks, Brian Wilson Electric guitar, Guitar, Piano Chamber Music, Folk, Pop, Pop Rock, Psychedelic
On A Plain Kurt Cobain, Nirvana Bass guitar, Ukulele, Piano, Drums, Guitar, Electric guitar Pop, Grunge, Folk, punk, alternative
