During his military service in the Soviet Army, he was the founder and lead singer of the vocal and instrumental ensemble Zvyozdochka, which became the winner of the competition of "Liepaja Amber".

[3] Since 1973, he sang in a duet with Margarita Vilcāne, both performers were soloists in the pop ensemble Latvian State Philharmonic, who bore the title of 1979 Tip Top.

He took part in the recording of the Raimonds Pauls studio albums Tev, mana labā (1969) and Tik dzintars vien (1970).

[4] He was a member of the party Tautas kustība Latvijai (1995–1996), deputy Saeima (1995–1998).

[5] Ojārs Grīnbergs died in Riga on 22 April 2016 of lung cancer, aged 73.