On 7th of April, 2023 an Asian premiere of Requiem by Józef Kozłowski took place in Singapore. The Singapore Symphony Orchestra, Singapore Symphony Chorus, and Singapore Symphony Youth Choir were led by Hans Graf. The soloists were Olga Peretyatko, soprano, Olesya Petrova, mezzo-soprano, Boris Stepanov, tenor, and Christoph Seidl, bass.
Tenor Boris Stepanov had a ringing operatic quality in Libera animas omnium and Agnus Dei — Bachtrack
There was a ringing bel canto quality in tenor Boris Stepanov’s solos —
The Straits Times
