Oculi Omnium Bob Chilcott, Nico Muhly, Eric Whitacre, The King's Singers, Simon Lole Soprano, Piano alternative, Gospel, Classical, Folk World & Country, Latin
Off To The Races Tim Larcombe, Lana Del Rey, Timothy Larcombe, Elizabeth Grant, Judy East Wells, Rupert Holmes Guitar, Piano Indie Pop, alternative, Pop, Adult Alternative, Pop Rock
Off The Record Jim James, Kwasi Danquah, TOM BARNES, Calvin Harris, BEN KOHN, Matthew Burns Guitar, Piano alternative, Electronic, Hip Hop, Folk, Pop 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
Northern Lad Tori Amos Piano, Guitar Pop Rock, Alternative Pop/Rock, Adult Alternative, alternative, Country
No Sound But The Wind Ed Lay, Alain De Ley, Editors, Edward Lay, Christopher Urbanowicz, Thomas Smith Guitar, Piano Pop, alternative, Alternative Pop/Rock, Indie Rock, Folk
O Green World Damon Albarn, Brian Joseph Burton, Jamie Hewlett, Danger Mouse Piano, Guitar Alternative Pop/Rock, alternative, Hip Hop
Oh Had I A Golden Thread Nathaniel Lew, Peter Seeger, Pete Seeger, Eva Cassidy, Eva Marie Cassidy Guitar, Piano Pop, alternative, Blues, Gospel, Folk
Oh Me Curt Kirkwood, Curtis Kirkwood Guitar, Electric guitar alternative, Folk, Grunge, Alternative Pop/Rock, Pop Rock
Oh My Sweet Carolina Ryan Adams Guitar, Piano, Electric guitar Alternative Country-Rock, Country Rock, Country, American Trad Rock, Pop Rock
Oh What A Day Paul Wood, Ingrid Michaelson, Mark Wilson Violin, Cello, Guitar, Piano, Ukulele, Viola Folk, alternative, Rock, Alternative Pop/Rock, Adult Alternative
Oily Water Damon Albarn, Graham Coxon, David Rowntree, Alex James, Steven Alexander James, Blur Guitar, Piano, Electric guitar Alternative Pop/Rock, Folk, Britpop, Indie, Indie Pop
Oh Yeah Tim Wheeler, Bryan Ferry, Johnny A., Roxy Music, Joe Satriani, Sammy Hagar Alto Saxophone, Guitar, Piano, Electric guitar Indie, alternative, Pop Rock, Album Rock, Rock
Older And Taller Zuzu Davis, Regina Spektor Piano, Guitar, Violin, Viola, Cello, Bass alternative, Adult Contemporary, Rock, Indie Pop, punk
O Meu Menino Eurico Carrapatoso, Michael Higgins alternative, Folk World & Country, Gospel, Stage & Screen
Missa O Magnum Mysterium A Cappella SATB Adrian Willaert, Francisco José Carbonell, Frank Stubbs, Ernesto Herrera, Giovanni Gabrieli, Francis Poulenc Flute, Oboe, Clarinet, Tuba, Viola, Bass alternative, Latin, Gospel, Renaissance, Romantic
Olympia Joseph Karl Doetsch, Emma Anderson Piano, Tenor, Flute, Viola, Soprano, Guitar Folk, Pop Rock, alternative, Indie, Rock
On A Plain Kurt Cobain, Nirvana Guitar, Piano, Ukulele, Drums, Bass guitar, Electric guitar Pop, Grunge, Folk, punk, alternative
