Labels A-Zletter 'O'

OA

OARFIN/FONTANA NORTH (98)
OAU (11)
OASIS (7)
OA2 / City Hall Records (4)
OAO (3)
  OB

OBERLIN MUSIC (19)
OBSIDIAN (17)
OBLIQSOUND (12)
Oboe Classics (10)
OB (10)
  OC

OCORA (218)
OCIUM (36)
OCTAVE (20)
OCTONE / A&M (7)
OCTAVE MUSIC (3)
OD

ODE (20)
ODRADEK (12)
ODYSSEY (7)
ODEON (3)
ODD BOX (2)
  OE

OEHMS (464)
OEHMS CLASSICS (374)
OEH (88)
OehmsClassics (4)
  OF

OFF YER ROCKA (9)
OFFICINA FONOGRAFICA ITALIANA / euro import (3)
OFFICINA FONOGRAFICA ITALIANA (2)
OFF (2)
OFF YER ROCKA / Cargo UK (1)
OG

OGLIO / FONTANA LLC (75)
OGAM (11)
OGLIO ENTERTAIN (1)
  OH

OH BOY RECORDS (13)
OHM RESISTANCE / Darla Records (4)
OH BOY (1)
  OJ

OJC (126)
OJALA (2)
OK

OKEH (56)
Oklahoma Wind Music (19)
OKTAF (4)
OKKA DISK (3)
OKTAV (2)
  OL

OLYMPIA (73)
OLD FLAME (9)
OLIVI (8)
OLTRELANEBBIAILMARE (7)
OLESIA (5)
  OM

OMNIVORE RECORDINGS / EMI (66)
OMNIVORE (41)
OM (37)
OMNI RECORDING CORP. (16)
OMNITONE (13)
ON

ONDINE (490)
Onyx Classics (207)
ONE DAY (102)
ONE LITTLE INDIAN / EMI (55)
ONE DAY MUSIC (54)
  OO

OOH LA LA (2)
  OP

OPUS ARTE (772)
OPERA D'ORO (207)
OPD (154)
OPERA RARA (118)
OPUS 111 (112)
OR

ORFEO (992)
ORM (288)
ORCHID CLASSICS (161)
ORANGE MOUNTAIN (128)
ORIGINAL RECORDINGS (74)
  OS

OSTGUT TON (10)
Oslo Session Recordings (7)
Oscilloscope (6)
OSM (2)
OSMOSE/F.NORTH (2)
  OT

OTR (40)
OTW (39)
OTN (29)
OTM (18)
OTA (15)
OU

OUTSIDE (75)
OUR RECORDINGS (45)
OUTSIDE MUSIC (39)
OUT (29)
OUTTA SIGHT / import euro (22)
  OV

OVATION (3)
OVERGROUND (2)
OVUM / SRD (1)
OVER THE MOON (1)
OVUM / Forced Exposure (1)
  OW

OWL (40)
OWSLA/INGROOVES/F.LLC (3)
Owl Studios (2)
OWL RECORDS (1)
OX

OXINGALE (26)
OXFORD CIRCUS (1)
OXFORD (1)
  OY

OYH (2)
  OZ

OZL (60)
Ozella (49)
OZELLA MUSIC (16)
OZIT (6)
OZIT / Cargo UK (5)