Opus - band - was created in 1973.
Opus - former Yugoslav band - was created in 1973.
Opus - former Yugoslav band - ended in 1979.
Opus Majus was created in 1267.
Bags' Opus was created in 1959.
Opus Magnum was created in 2008.
Goodnight Opus was created in 1993.
Opus the Penguin was created in 1981.
Opus Energy was created in 2002.
Opus Atlantica was created in 2001.
Opus Dei was created in 1928.
Opus Nocturne was created in 1994-12.
Daedalian Opus was created in 1990-07.