The English composer, organist and poet John Redford served as a vicar choral at St. Paul’s Cathedral in London and subsequently as Master of the Choristers and almoner. As a poet and dramatist he contributed to the dramatic repertoire for the children of St. Paul’s. Redford’s organ music is among the first such in England to survive in any quantity. His compositions, based on plainsong and providing substitutes for antiphons or alternate verses of canticles, replaced earlier customs of instrumental improvisation. Read more at Wikipedia.com.