|
Oldfield, Mike |
1953 |
Multi-Instrumentalist, Mike. |
United Kingdom |
|
Omega |
1968 |
The crown jewel of Hungary, Omega have sustained a stable lineup since 1971, recording several albums with Peter Hauke for the Bacillius label aimed towards international release. |
Hungary |
|
Opeth |
1990 |
From heavy metal prodigies to prog rockers, Opeth are peerless among current rock bands. |
Sweden |
|
Organisation |
1967 |
Precursor to Kraftwerk, Organisation included Ralf Hütter and Florian Schneider-Esleben, and Basil Hammoudi, later of Ibliss. |
Germany |
|
Orme, Le |
1966 |
One of Italy's first and finest progressive rock bands, featuring the talents of Aldo Tagliapietra, Michi Dei Rossi and Tony Pagliuca. |
Italy |
|
Osanna |
1971 |
Another of Italy's legendary progressive groups, the band featured Danilo Rustici and Elio D'Anna. |
Italy |
