In 1949 he was appointed as Organist of Chelmsford Cathedral and Professor of Harmony and Counterpoint at Trinity College , London .
In 1949 he got the jobs of Organist at Chelmsford Cathedral and Professor of Harmony and Counterpoint at Trinity College , London .
Between 1995 and 2000 she spent performing and studying chamber music at the Marlboro Music Festival in Vermont , and in 1996 she served as an artist and a member of the chamber music mentoring program of The Chamber Music Society of Lincoln Center .