 During that time he played saxophone in a regimental band and was the organist at St. Peter's Pro-Cathedral in his native city.After World War II, MacNutt was the organist-choirmaster at All Saints' Anglican Church, Winnipeg, Manitoba from 1946 to 1949.He worked in the same capacity at All Saints' Church, Windsor, Ontario from 1949 to 1953 where he notably conducted several performances of the Windsor Singers for CBC Radio.