Background
Klien was born in Graz. His mother was the artist Erika Giovanna Klien (1900-1957).
Klien was born in Graz. His mother was the artist Erika Giovanna Klien (1900-1957).
Klien studied piano with Josef Dichler at the Music Academy in Vienna and with Arturo Benedetti Michelangeli. He also studied composition with Paul Hindemith.
numerous albums inch complete solo piano music of Mozart and Brahms, complete Schubert sonatas and Mozart Piano Quartets with Amadeus Quartet, complete Mozart sonatas with Arthur Grumiaux.She emigrated to the United States in 1929, and their only further contact was by correspondence. He was a laureate of the Busoni Competition in Bolzano and the Marguerite Long Competition in Paris and made his debut in the United States in 1969.
Married Chizuko Kojima, 16 June in 1981.