Par BREWER HERBERT A.. Organist of Gloucester Cathedral from 1896 till his death in 1928, as well as composer, choir-trainer, adjudicator and teacher, Sir Herbert Brewer was involved for over three decades with the Three Choirs Festival, and his Memories of Choirs and Cloisters offers a vivid account of the planning and execution of the festivals in that time, those at Gloucester in particular. T…