On A Little Street In Singapore Peter De Rose, Frank Sinatra, Billy Hill, The Manhattan Transfer, Bob Dylan Piano, Guitarra Folk Rock, Pop Tradicional, Jazz, Folclore, Big Band
Open Your Mind Melissa Etheridge Guitarra, Piano, Guitarra elétrica Pop Rock, Rock, Folclore, Folk Rock, Pop
Once I Was Ricky Ian Gordon, Tim Buckley, Larry Beckett Guitarra, Piano Folk Rock, Pop, Clássica, Easy Listening, Folclore
Operator Grateful Dead, Diana Krall, William Spivery, Ron McKernan, Jim Croce, The Manhattan Transfer Piano, Ukulele, Guitarra, Guitarra elétrica, Teclado eletrônico, Órgão Folk Rock, Pop, Soft Rock, Folclore, Pop Rock
Ophelia Sherry Lewis, Robbie Robertson, Jeremiah Fraites, Wesley Schultz, Jeremy Fraites, The Lumineers Piano, Guitarra, Flauta doce, Oboé, Violino, Bateria Folclore, Palco & Tela, País Alternativo, Pop/Rock Alternativo, Folk Rock
One Of These Things Joe Raposo, Bruce Hart, Nick Drake Guitarra, Piano Pop, Musical, Folk Britânico, Palco & Tela, Trilha sonora
Our Time Now Mia Post, Tom Higgenson, Plain White T's, Mike Daly Guitarra, Piano punk, Emo, Punk-Pop, Pop, Folk Rock
Outside Of A Small Circle Of Friends Phil Ochs Piano, Guitarra, Guitarra elétrica Folclore, Folk Rock, Garage Rock, Psicodélico, Pop
Outrageous R Kelly, Britney Spears, Brian Eno, Paul Simon, R. Kelly Piano, Guitarra Folk Rock, Pop Rock, Pop, Folclore, Rock
Our Town James Taylor, Randy Newman, Sammy Cahn, Frank Sinatra, Jimmy Van Heusen, Philip Lawson Piano, Guitarra, Guitarra elétrica, Refrão, Coral SATB Pop, Pop Rock, Musical, Trilha sonora, Easy Listening
Pale Blue Eyes Alpin Smart, Lou Reed, The Velvet Underground Piano, Guitarra, Guitarra elétrica punk, Rock, Rock & Roll, Pop Rock, Blues
Our House Nathaniel Hontz, Cathal Smith, Graham Nash, Christopher Foreman, Cathal Smyth, Ed Lojeski Piano, Ukulele, Guitarra, Flauta, Viola, Fagote Folk Rock, Reggae, Álbuns de Rock, deve, Pop
Paper Thin Hotel Phillip Spector, Phil Spector, Leonard Cohen Piano, Guitarra Folclore, Folk Rock, Rock, Pop Rock, Pop
