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
Hans Lang (German composer) compositions mainly consist of works for choral works, and vocal art songs. He also wrote several works for the accordion which are still popular today. Hans Lang (German composer) Hans Lang (20 August 1897 – 17 July 1968) was a German composer. He studied at the Akademie der Tonkunst in Munich with Joseph Haas from 1921 to 1926. In 1927 he joined the faculty at the Rheinische Musikhochschule in Cologne, where he taught for three years. In 1930 he became a teacher at the Konservatorium in Nuremberg and took the role of headmaster at the Städtische Berufsschule für Musiker in