- Artist
- Embryo (3)
- Title
- Opal
- Label
- Ohr OMM56003
- Country
- Germany
- Released
- 1970
- Format
- LP, Album, Test Pressing, White Label, Stereo
Other Germany pressings of Opal
- 1970Ohr OMM 56003 / Ohr OMM 56.003LP, Album, Stereo
- 1972Ohr OMM 556.003 / Ohr OMM 56.003LP, Album
- 1997Think Progressive TPLP 1.707.014LP, Album, Reissue
- 1997Think Progressive TPLP 1.707.014LP, Album, Reissue, Test Pressing, White Label
- 2021Ohr OMM 56003-6LP, Album, Reissue, Remastered, Stereo
- 2026Bonfire Records BONF029 / Materiali SonoriLP, Album, Reissue
- 2026Bonfire Records BONF029 / Materiali SonoriLP, Album, Reissue
- 2026Bonfire Records BONF029LP, Album, Reissue