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
Ooh Baby Da'Dra Crawford, Nee-C Walls, Steve Crawford, Keith Crouch, George Harrison Piano, Guitar Gospel, Pop, Folk
Oops Upside Your Head Ballard MacDonald, Robert Wilson, Alice Faye, Rudy Taylor, Ronnie Wilson, Charlie Wilson Piano, Guitar Disc, Folk, Funk, Pop
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
Opus 35 John Trie, Dustin O'Halloran Banjo, Piano Folk, Folk World & Country, New Age, Classical, Pop
Ordinary Life Max Martin, Henry Walter, Abel Tesfaye, Jon Neufeld, The Weeknd, Anders Svensson Piano, Guitar, Electric guitar Contemporary R&B, Funk / Soul, Gospel, Contemporary Christian, Folk
