Complete Big Band Studio Recordings (2005)
Oscar Pettiford, Oscar Pettiford Orchestra
Genre: Jazz-Big Band
Complete & Unbelievable: The Otis Redding Dictionary of Soul (1966)
Otis Redding
Genre: Soul-R&B
Colors (1997)
Ornette Coleman
Genre: Jazz
Cole Porter in Paris (11)
Orchestre Des Frivolités Parisiennes
Coldwater Flat (1968)
The Oliver Nelson's Orchestra
City Lights: The Oscar Peterson Quartet – Live in Munich, 1994 (1994)
Oscar Peterson, Oscar Peterson Quartet
Change of the Century (1960)
Carry Me Back (2012)
Old Crow Medicine Show
Genre: Folk
Canadiana Suite (2002)
Oscar Peterson, The Oscar Peterson Trio
Brushy Mountain Conjugal Trailer (2015)
Brother Where Are You? (2018)
Oscar Brown Jr.
Brand New Day (2024)
O Sister!
Genre: Jazz-Vocal
Blues Etude (1987)
Oscar Peterson
Black Brown and Beautiful (1970)
Oliver Nelson
Big George (2024)
One for All
Best of the Outlaws: Green Grass and High Tides (1996)
Outlaws
Genre: Country
Best of Old Crow Medicine Show (2017)
Back Stabbers (1972)
The O'Jays
At the Concertgebouw (1994)
At the "Golden Circle" Stockholm, Volume Two (1965)
Ornette Coleman, The Ornette Coleman Trio
At the "Golden Circle" Stockholm, Volume One (1965)
At Newport (1958)
Architecture & Morality (1981)
Orchestral Manoeuvres in the Dark
Genre: Popular
Apocalypse (2006)
The Omega Syndicate
Genre: Electronic
