Klaus Mertens and consistency, Klaus Mertens sang in every piece that required a bass soloist, 190 in all." He is also involved in the project Dieterich Buxtehude – Opera Omnia of the same ensemble to record the complete works of Dieterich Buxtehude, begun in 2005. As a singer of lieder, he has interpreted songs of Claudio Monteverdi, Antonio Caldara, Wolfgang Amadeus Mozart and Franz Schubert among others. He has performed the title roles of the romantic oratorios "Elijah" and "St. Paul" by Mendelssohn and, as music of the 20th century, Paul Hindemith's "Requiem" and Igor Stravinsky's "Oedipus rex". In the classical repertory
Elijah Elijah is considered to be the successor of Ukko, the lightning spirit. In Georgian mythology, he replaces Elwa. A Georgian story about Elijah: Once Jesus, the prophet Elijah, and St. George were going through Georgia. When they became tired and hungry they stopped to dine. They saw a Georgian shepherd and decided to ask him to feed them. First, Elijah went up to the shepherd and asked him for a sheep. After the shepherd asked his identity Elijah said that, he was the one who sent him rain to get him a good profit from farming. The shepherd became angry