O Baú do Raul – Uma Homenagem a Raul SeixasReleasedDecember 20, 2004LabelSom LivreGenreBrazilian rock
O Canto da Cidade - 15 AnosReleasedJanuary 1, 2008LabelSony BMG Music Entertainment, Inc.ArtistDaniela Mercury
O Coração do Homem Bomba - Ao VivoReleasedJanuary 1, 2009Genremúsica popular brasileiraArtistZeca Baleiro
O Coração do Homem Bomba - Vol. 2ReleasedNovember 1, 2008LabelMZA MusicGenremúsica popular brasileira
O Embate do Século: Ultraje a Rigor vs. RaimundosReleasedJanuary 1, 2012LabelDeckdiscArtistRaimundos, Ultraje a Rigor
O Melhor de Rui Veloso - 20 anos depoisReleasedJanuary 1, 2000LabelValentim de CarvalhoArtistRui Veloso
O Micróbio do SambaReleasedJanuary 1, 2011LabelSony BMG Music Entertainment, Inc.Genremúsica popular brasileira
O Poeta Está Vivo – Ao Vivo no Teatro Ipanema em 1987ReleasedJanuary 1, 2005LabelSom LivreGenreBrazilian rock
Oasen – En dag måste nånting hända när allt slår inReleasedJanuary 1, 1979LabelMNW MusicArtistvarious artists
Oil of Every Pearl's Un-Insides Non-Stop Remix AlbumReleasedJuly 29, 2019Genredeconstructed clubArtistSophie
Ola Bäckström med Hans Röjås, Carina Normansson, Stefan Ekedahl & Björn TollinReleasedJanuary 1, 1994ArtistOla BäckströmDecade1990s
Omara Portuondo e Maria Bethânia - Ao VivoReleasedOctober 9, 2008LabelBiscoito FinoArtistMaria Bethânia, Omara Portuondo
On a Clear Day You Can See Forever – The Original Broadway Cast RecordingReleasedJanuary 1, 1965LabelRCA VictorGenrestage and screen
On the Road with Loretta and the Coal MinersReleasedJanuary 1, 1976ArtistThe Coal Miners, Loretta LynnDecade1970s
One Chance: The Incredible True Story of Paul Potts – Original Motion Picture SoundtrackReleasedOctober 21, 2013LabelSony ClassicalArtistvarious artists
One Night in Miami… – Original Motion Picture SoundtrackReleasedJanuary 15, 2021LabelABKCO RecordsArtistvarious artists
One Night Only: Barbra Streisand and Quartet at the Village VanguardReleasedMay 3, 2010TypeAlbumAlsoLive
Oops!...I Did It Again (Remixes and B-Sides)ReleasedSeptember 26, 2020ArtistBritney SpearsDecade2020s