Tracklist
| A1 | Opal |
| A2 | You Don't Know What's Happening |
| A3 | Revolution |
| A4 | Glockenspiel |
| B1 | Got No Time |
| B2 | Call |
| B3 | End Of Soul |
| B4 | People From Out The Space |
Credits
- Bongos – Holger Trülzsch
- Performer – Bettsy Alleh, Christian Burchard, Edgar Hofmann, John Kelly , Ralph Fischer, Roberto Détrée
Notes
Edita: Transdisc * Distribuye: Nueas Areas,SLLicencia Materiali Sonori
Depósito legal: B. 40.275-1990
Fabricado por Tecnifón, SA
Permiso Nº92
Originally released by Ohr in 1970.
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| OMM 56003, OMM 56.003 | Embryo | Opal (LP, Album) | Ohr, Ohr | OMM 56003, OMM 56.003 | Germany | 1970 |
| TPLP 1.707.014 | Embryo | Opal (LP, Album, RE) | Think Progressive | TPLP 1.707.014 | Germany | 1997 |
| MIR100706 | Embryo | Opal (LP, Album, RE + CD, Album, RE) | Мирумир | MIR100706 | Russia | 2013 |
| OMM 556.003, OMM 56.003 | Embryo | Opal (LP, Album) | Ohr, Ohr | OMM 556.003, OMM 56.003 | Germany | 1972 |
| MASO CD 90012 | Embryo | Opal (CD, Album, RE) | Materiali Sonori | MASO CD 90012 | Italy | 1992 |
