Lulu Ychwanegu i'r clipfwrdd P1/70 Ffeil 1971-1972 Rhan oWelsh National Opera Records Berg, Alban, 1885-1935
Wozzeck Ychwanegu i'r clipfwrdd P1/125 Ffeil 1985-1986 Rhan oWelsh National Opera Records Berg, Alban, 1885-1935