One Big Family Daniel Anthony Mcnamara, Danny McNamara, Richard McNamara Guitar, Piano Pop Rock, alternative, Ballad, Alternative Pop/Rock, Pop
One Day Like This Craig Potter, Pete Turner, Rachel Jennings, Mark Potter, Peter Turner, Abi Moore Piano, Guitar, Violin Folk, Pop, alternative, Experimental, Alternative Pop/Rock
One Day / Reckoning Song Ran Nir, Hadas Kleinman, Ori Winokur, Roi Peled, Yoni Sheleg Guitar, Piano Club/Dance, Alternative Pop/Rock, Dance-pop, House, alternative
Open Up Your Eyes Chris Daughtry, Bruce Peterson, Jeremy Camp, Eugene Vasconi, Ben Moody, David Hodges Guitar, Piano, Electric guitar Alternative Pop/Rock, Pop, Hard Rock, Adult Alternative, Gospel
Optimistic Philip Selway, Jonathan Greenwood, Philip Seiway, Thom Yorke, Ed O'Brien, Edward O'Brien Guitar, Electric guitar Rock, Folk, Brit-Pop, Pop, Experimental
Open Up Your Arms Ren Harvieu Piano, Guitar Folk, Pop, Indie Pop, Adult Alternative, Alternative Pop/Rock
Orange Juice Melanie Martinez, Michael Keenan Leary, Dario D'aversa, Steven King Guitar Folk World & Country, Indie Pop, Alternative Pop/Rock, Pop
Ordinary Barenaked Ladies, Bart Hendrickson, Patrick Monahan, Train, Pat Monahan Guitar, Piano, Electric guitar Rock, Folk, Alternative Pop/Rock, Stage & Screen, Adult Alternative
One Sweet World David J. Matthews, Dave Matthews Guitar, Electric guitar Rock, American Trad Rock, Folk, Adult Alternative, Pop Rock
Only Happy When It Rains Garrett Breeze, Butch Vig, Garbage, Nacio Herb Brown, Shirley Ann Manson, Doug Erickson Piano, Guitar, Electric guitar Alternative Dance, Pop, alternative, Pop Rock, Alternative Pop/Rock
Opened Once Jeff Buckley Piano, Guitar Alternative Rock, Alternative Pop/Rock, Pop, Adult Alternative, Rock
Only Superstition Chris Martin, Guy Berryman, Jonny Buckland, Jon Buckland, Will Champion, Coldplay Guitar, Piano Alternative Pop/Rock, Alternative Rock, Adult Alternative, Rock, Pop Rock
Only When I Lose Myself Depeche Mode, Martin Gore Guitar, Piano Darkwave, Folk, Pop Rock, Pop, Alternative Pop/Rock
Orphans Chris Martin, Guy Berryman, William Champion, Jeff Danna, Douglas Becker, Coldplay Guitar, Piano, Ukulele, Electric guitar, Bass guitar Rock, Stage & Screen, Alternative Rock, Alternative Pop/Rock, Britpop
Out On The Town Jennifer Diana, Emile Haynie, Nate Ruess, Andrew Dost, Jack Antonoff Piano, Guitar Indie, Alternative Rock, Pop, Indie Pop, Folk
Our Time Lily Allen, Mac Huff, Greg Kurstin, Stephen Sondheim, Lee Evans, Cathy Pate Soprano, Trumpet, Viola, Piano, Guitar Adult Alternative, Musical, Gospel, Broadway, Classical
Out Of Love Alessia Cara, Gregg Wattenberg, John Ondrasik, Five For Fighting, Dan Signor, Marcy Heisler Piano, Guitar, Electric guitar Post-Grunge, Adult Alternative, Pop Rock, Pop, Alternative Pop/Rock
I Want to Be Out of My Depth in Your Love Noel Richards, Art Alexakis, Doug Horley Piano, Guitar Gospel, Alternative Pop/Rock, Alternative Rock, Pop Rock, Indie Rock
