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OO audio records is registered label for Hi-Res music in DXD, DSD and PCM formats.
[ 384kHz/24b, DXD (352.8kHz/24b), 192kHz/24b, 96kHz/24b, DSD256, DSD128, DSD64 ]

Rumen Boyadjiev
Singer, Composer, Multi-instrumentalist
Singer, Keyboards, Guitars, Drums, Percusions
Composer, Arranger
Genres: Rock, Progressive, Pop
Bands: FSB
Sofia, Bulgaria
Labels: Kontrapunkti, OO audio
Years active: 1975-now
FSB
Genres: Rock, Progressive Rock
Curent members: Rumen Boyadjiev, Konstantin Cekov, Ivan Lechev
Sofia, Bulgaria
Labels: Balkanton, UPB, Kontrapunkti, OO audio
Years active: 1975-now
Ruzha Semova
Piano
Genres: Classical, Reggae
Viena, Austria
Labels: Kontrapunkti, OO audio
Years active: 1986-now
INTERFRACT
Genres: Rock, Progressive Rock
Members: Pavel Tzvetankov, Krastio Rabuhchiev, Stoian Findjikov
Bulgaria
Labels: Riva Sound, Satory, OO audio
Years active: 1990-1994



OO audio records
MPBM LLC
14850 Highway 4, Ste A # 215
Discovery Bay 94505, USA

+1 925 237 1659
+1 732 301 8206 (FAX)