Cappella Romana, Alexander Lingas & Kerry McCarthy

Ronan Keating

Roman Messer

Roman Horký

St. Peter St. Paul Cathedral Choir of Minsk

Cappella Romana

Men's Choir of the Valaam Singing Culture Institute

The Male Choir of Valaam Singing Culture Institute

Konevets Quartet

Father Dionysios Firfiris

Chorus of Fathers from Catopedi Monastery

Vladimir Cosma

Choeur des moines du monastère de Simonos Petra

Divna Ljubojević

Roman GianArthur

Bulgarian National Choir

Roman Bunka

Moscow

Roman Kouder

Medieval Renaissance Music Ensemble

Eikona

Roman Tkachoff

Kyiv Chamber Choir

Abi F Jones

Alexander Lingas

Radio Moscow

Choir Of Beirut

Ensemble Sretenye