For four decades, baritone Klaus Mertens has been critically acclaimed for his interpretations of music ranging from early music to the avant-garde, based on concerts and nearly 200 CD recordings. Dmitri Grigoriev was born in 1979 in Leningrad and studied organ and piano after private lessons at the conservatories in St. Petersburg and Kazan, where he completed his studies in 2007 with the state concert exam.

Cantor Dmitri Grigoriev and Mertens have put together a program for ARS PRODUKTION that is capable of providing a small but subtle insight into the sounds and styles of vocal music over three centuries.