Heinz Wallberg

Peter Lang (piano), Paul Grund (mandolin), Charles K. L. Davis (tenor), Maria Spacagna (soprano), Sylvia Capová (piano), John Oakman (tenor), Vienna Opera Orchestra, Gerd Starke (clarinet), Patrick Marques (tenor), Bianca Sitzius (piano), Douglas Haas (organ), Christiane Jaccottet (harpsichord),...