Oleg has a low voice, a bass. He is a soloist with the Russian Army Choir and Derzhava (band), and performs on the St Petersburg popular music stage.
He founded and directs the Peter the Great Vocal Ensemble. As an artist of the Vysokaya Nota (High Note) foundation he appears with Concept Orchestra: in the programme Melodii dlya Dushi (Melodies for the Soul) he sang My Way and Strangers in the Night.
Viewers of Soyuz TV have heard him sing the romance Gori, Gori, Moya Zvezda (Shine, Shine, My Star).
His repertoire takes in wartime and folk songs, popular songs in the tradition of Leonid Utyosov, Mark Bernes and Eduard Khil, and, since 2025, jazz.