Belgrade, Serbia, Yugoslavia
Progressive rock, symphonic rock
The band was formed in Belgrade in 1973 by Miodrag "Mive" Okrugić (a former Yu grupa member, keyboards), Miodrag "Bata" Kostić (a former Terusi and Yu grupa member, guitar) and Dušan Ćućuz (a former Džentlmeni member, bass guitar). The band chose their name after the song "Opus No. 1", which was written by Okrugić's during his work with Yu grupa. The song was often performed by Yu grupa, but never recorded. However, soon after it was formed, Opus disbanded. Soon after, Ćućuz formed the symphonic rock band Tako.
Opus 1 (1975)