 Fernie's development of sixteenth century polyphony at St. Mary of the Angels became a model for Roman Catholic Church choirs.In the following years, Fernie schooled choirs, taught piano, organ and singing, and trained celebrated musicians.His notable students included Nicolas Kynaston, Ivan Bootham, Patricia Lawrey, Anthony Jennings, Peter Walls, Denis Smalley, Geoffrey Coker, Roy Tankersley, Christopher Hainsworth and Barry Mora.