He composed over 100 works , including eight symphonies .
He was also chairman of the Hong Kong Composers ' Guild , vice president of the Asian Composers ' League and board member of the International Society for Contemporary Music ( ISCM ) .
chairman composed over 100 works , including eight symphonies .
He was also chairman of the Hong Kong Composers ' Guild , vice president of the Asian Composers ' League and board member of the International Society for Contemporary Music ( ISCM ) .