On The Road To Mandalay Alan Duguid, John Hoesly, O. Speaks, Oley Speaks, Rudyard Kipling Piano, Guitar, Flugelhorn, Trombone, Tuba, Bass Trombone Gospel, Pop, Jazz, Ballads, Romantic
On The Day When I Was Wedded gilbert, Sir Arthur Sullivan, Richard Walters, William S. Gilbert Piano Classical, Operette, Stage & Screen, Opera
O patria o cara patria... O tu Palermo Giuseppe Verdi, Francesca Licciarda, Giuseppe Fortunino Francesco Verdi Piano, Bass Classical, Romantic, Opera
Open Your Heart Andreas Carlsson, Georges Bizet, Daniel Brewbaker, Gardner Cole, Jill Johnson, Dean Pitchford Viola, Violin, Cello, Guitar, Piano, Electric guitar Opera, Musical, Folk, Pop, Stage & Screen
Operator Grateful Dead, Diana Krall, William Spivery, Ron McKernan, Jim Croce, The Manhattan Transfer Piano, Electric guitar, Guitar, Organ, Electronic keyboard, Ukulele Adult Contemporary, Folk Rock, Psychedelic Rock, punk, Folk
Operation Dinner Out Silvestro Sabatelli Double Bass, Flute, Bass, Violin, Oboe, Drum Set Stage & Screen, Opera
Operation Ouch Dobs Vye, Jose Ignacio Huante Ceron, Jess Charles Piano Pop, Rock, Opera, Stage & Screen, Children
Operation Harmony Randy Newman Piano, Guitar Soundtrack, Dance, Easy Listening, Pop Rock, Stage & Screen
