an Entity references as follows:
Geoffrey Douglas Madge (born 3 October 1941) is an Australian classical pianist and composer. Madge won the 1963 ABC Concerto and Vocal Competition. Madge performed long and arduous works, he has twice recorded Sorabji's Opus clavicembalisticum, one of the longest and most difficult works ever written for the piano. In 1982, 52 years after the first public performance (by the composer), Madge gave the work its second public performance. In 1979 he gave the first complete performance of Nikos Skalkottas' 32 Piano Pieces.