Original Sin Andrew Charles Farriss, Elton John, Andrew Farriss, Michael Hutchence, Bill Bruford, Michael Kelland John Hutchence Piano, Guitar, Electric guitar, Soprano Saxophone, Double Bass Pop, Album Rock, College Rock, Rock, Jazz
Orion Cliff Burton, Metallica, James Hetfield, Gabriela Quintero Lopez, Lars Ulrich, Rodrigo y Gabriela Guitar, Electric guitar Rock, Hard Rock, Pop Rock, Pop, Folk
Orphan Girl / Travelin' Man Chris Miller Guitar, Piano Traditional Pop, Pop, Stage & Screen, Rock, Musical
One Track Mind Eric Clapton, Craig Carnelia, The Knickerbockers, Marvin Hamlisch, Keith Colley, Kevin Colley Piano, Guitar, Electric guitar Folk, Blues Rock, Rock, Pop, Pop Rock
One Vision Brian May, Freddie Mercury, John Deacon, Philip Lawson, Roger Taylor, Queen Piano, Guitar, Electric guitar, Bass, Drums Art-Rock/Progressive, Pop, Hard Rock, Album Rock, Glam Rock
Only 1 Travis Sayles, Gavin Jackson Music, Victoria Monet McCants, Ariana Grande, Victoria McCants, Thomas Lee Brown Bass guitar, Bass, Guitar Rhythm & Blues, Pop
Only a Fool Rich Robinson, Chris Robinson, The Black Crowes Guitar, Electric guitar Hard Rock, Rock, Pop
Only A God Like You Tommy Walker, Heather Sorenson Piano, Guitar, Cello, Flute, Violin Contemporary Christian, Stage & Screen, Pop, Gospel, Folk
Only God Can Help Me Now Michael McDonald Piano, Guitar, Electric guitar Blue-Eyed Soul, Pop, Folk, Rhythm & Blues, Soft 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
Opus 40 - In the opposite corner John Trie Guitar, Double Bass, Electric guitar, Bass, Drum Set, Bass guitar Jazz, Folk World & Country, Rock, Pop
Orphan Girl Gillian Welch, Emmylou Harris, Emily Crocker Guitar, Piano Alternative Country, Pop, Blues, Country, Adult Alternative
Orpheus Franz Liszt, Franz Schubert, Heinrich Poos, Jacques Offenbach, Sara Bareilles, Tim Wheeler Piano, Guitar, Electric guitar, Organ, Violin, Cello Rock, Pop, Adult Alternative, Pop Rock, Folk
O Pilgrim Come Steve Green, Douglas Kaine McKelvey, Douglas McKelvey, Wes King Piano, Guitar Contemporary Christian, Gospel, Folk, Pop
