High Fidelity CD Format Artists, Casts, Authors Beginning with O
- O.L.H.
- O.V.Wright
- O.V.Wright
- OASIS
- Oasis
- OCEANLANE
- OCTAVISION
- ODA SATOLU & Hank Jones Great Jazz Quintet
- Oded Tzur
- OFF COURSE
- OGANO KUMI
- OGAWA MICHIKO
- OHGAMI RURIKO
- OHIO PLAYERS
- OHNISHI JUNKO
- OHNO KATSUO
- OHNO SHUNZO
- OHNO YUJI
- OHNO YUJI & Friends
- OHTA GEN
- OHTA KATSU
- OHTAKI EIICHI
- OHTAKI EIICHI
- OHTOMO NAOTO
- OHTOMO NAOTO/THE TOKYO SYMPHONY ORCHESTRA
- OHTSUKI KENJI
- OHZORA HARUMI
- OKADA KANA
- OKADA NANA
- OKAZAKI KEISUKE
- OKAZAKI KEISUKE/ITOH KEI
- OKI JIN
- OKISAWA NODOKA
- OKISAWA NODOKA YOMIURI NIPPON SYMPHONY ORCHESTRA
- Okko Kamu
- Okko Kamu
- OKUDA TAMIO
- Oleg Krysa
- Oleg Krysa Barry Snyder
- Olga Scheps
- Oliver Cheatham
- Oliver Knussen
- OLIVER NELSON
- Oliver Nelson
- Olivia Newton-John
- Olivia Newton-John
- Olivia Newton-John & John Travolta
- Olivia Newton-John/Beth Nielsen Chapman/Amy Sky
- Olivier Latry
- Olivier Latry
- OMIYA KYOUKO & Orange
- OMURA KENJI.AKIYAMA KAZUMASA.MORIZONO KATSUTOSHI.YAMAGISHI JUNSHI
- OMURA KENJI.WATANABE KAZUMI.MORIZONO KATSUTOSHI.YAMAGISHI JUNSHI
- ON FILLMORE
- Ondekoza
- Ondrej Roskovec
- One For All
- One For All
- ONE LINE BAND
- ONO KAZUSHI Tokyo Metropolitan Symphony Orchestra
- ONO SEIGEN & Pearl Alexander
- ONO YOKO
- Onslaught
- ONUMA YOSUKE
- Onyanko Club
- Opeth
- OPUS AVANTRA
- Opus Avantra
- orange pekoe
- ORCHESTRA du NODAME
- ORCHESTRA du NODAME
- Orchestra U.S.A. - John Lewis - Eric Dolphy - Jim Hall
- ORCHESTRE DE CHAMBRE JEAN-FRANCOIS PAILLARD
- Orchestre de Chambre Jean-Francois Paillard
- Orchestre de Paris
- ORCHESTRE DE PARIS
- Orianthi
- ORIANTHI
- Original Broadway Cast Recording
- Original Cast Recording
- ORIGINAL LOVE
- ORIGINAL LOVE
- Orlando Consort
- Ormandy
- Ornette Coleman
- Ornette Coleman
- Orpheus Chamber Orchestra
- Orpheus Chamber Orchestra
- Orquesta De La Luz
- ORQUESTA DE LA LUZ
- OSAMU KOICHI
- Osamu Shouji
- Osamu Shouji
- OSANNA
- Osanna
- Osanna feat.David Jackson
- OSAWA YOSHIYUKI
- Oscar Peterson
- Oscar Peterson
- Oscar Peterson Trio