One Man Show Joseph Jonas, Nicholas Jonas, Kevin Jonas II, Jonas Brothers, Joe Jonas, Nick Jonas Piano, Guitar, Electric guitar Pop, Teen Pop, Pop Rock
O Praise Him David Crowder Piano, Guitar, Flute, Cello, Violin Gospel, Folk, Contemporary Christian, Rock, Pop Rock
Open Arms Christian Mader, Blake LaBarge, Craig Potter, Carolyn Miller, Richard Jupp, Kirby Shaw Trumpet, Guitar, Trombone, Tuba, Tenor, Viola punk, Soft Rock, Classical, Adult Contemporary, Folk
Open House John Cale, Lou Reed, J.J. Cale Guitar, Piano Art-Rock/Progressive, Rock & Roll, Album Rock, Experimental, Rock
Open Up Your Arms Ren Harvieu Piano, Guitar Folk, Pop, Indie Pop, Adult Alternative, Alternative Pop/Rock
Order Of The Day Chris Cheney, The Living End, David Warin Solomons Electric guitar, Guitar Pop Rock, Folk, Pop, Rock
On The Sunny Side Of The Street Diego Monteiro, Frankie Laine, Dorothy Fields, Frank Sinatra, Dizzy Gillespie, Nat King Cole Piano, Bass guitar, Trumpet, Trombone, Electronic keyboard, Organ Broadway, Folk, Swing, Country, Pop
On Top Of Your World Josephine Forsman, Maria Andersson, Sahara Hotnights Guitar, Electric guitar Pop, Pop Rock, Folk, Rock
Ooh Jason Sellards, Derek Gruen, Jamison Mechalie, Mary J, Scissor Sisters, Sean Combs Piano, Guitar, Electric guitar Club/Dance, Dance-pop, Folk, Disc, Hip Hop
Orange Blossom Special Ervin T. Rouse, Chris Gorman, Billy Vaughn, Audrey Snyder, Darren Dailey, Rachel Jennings Guitar, Piano, Xylophone, Ukulele, Violin, Bass guitar Classical, Blues, Country, Folk, Pop
Opus #17 Dustin O'Halloran, Frankie Valli, Denny Randell, Sandy Linzer, John Trie, The Four Seasons Piano, Guitar Adult Contemporary, Musical, Folk, Soundtrack, New Age
Orale Henry Garza, Joey Garza, Los Lonely Boys, Ringo Garza Guitar, Electric guitar Folk, Pop Rock, Texan, Pop, Rock
Ordinary Barenaked Ladies, Bart Hendrickson, Patrick Monahan, Train, Pat Monahan Guitar, Piano, Electric guitar Rock, Folk, Alternative Pop/Rock, Stage & Screen, Adult Alternative
Ordinary Love David Evans, Brian Burton, Dan Truman, The Edge, Adam Clayton, Bob DiPiero Guitar, Piano, Drums Pop, Romantic, Folk, Pop Rock, Rock
One More Suicide Marcy Playground, John Wozniak Guitar, Electric guitar Pop, Alternative Rock, Pop Rock
