Education
Born in Riga, Plath studied musicology under Walter Gerstenberg, first at the Freie Universität Berlin, then at Tübingen University. His Doctor of Philosophy thesis in 1958 dealt with the Klavierbüchlein für Wilhelm Friedemann Bach.
Born in Riga, Plath studied musicology under Walter Gerstenberg, first at the Freie Universität Berlin, then at Tübingen University. His Doctor of Philosophy thesis in 1958 dealt with the Klavierbüchlein für Wilhelm Friedemann Bach.
In 1959, he became the assistant of Ernst Fritz Schmid in Augsburg and the International Mozarteum Foundation appointed him, together with Wolfgang Rehm, editor of the Neue Mozart-Ausgabe. Plath held this position until his death. He also worked as honorary professor at the universities of Augsburg and Salzburg.
He died in Augsburg, aged 64.