Opus - band - was created in 1973.
Opus - former Yugoslav band - was created in 1973.
Opus - former Yugoslav band - ended in 1979.
Opus Magnum was created in 2008.
Opus Dei was created in 1928.
Opus Atlantica was created in 2001.
Opus Energy was created in 2002.
Goodnight Opus was created in 1993.
Opus Majus was created in 1267.
Opus the Penguin was created in 1981.
Bags' Opus was created in 1959.
Opus X was created in 1982-10.
Daedalian Opus was created in 1990-07.