'William Boyce: A Tercentenary Sourcebook and Compendium' is published in celebration of the three-hundreth anniversary of the birth in 1711 of England's leading eighteenth-century composer. It is the first book to be devoted to a musician who more than any of his contemporaries carried the flag in the broadest sense for English music during a period that was inevitably dominated by the towering figure of Handel, who was then resident in London. By the late 19th century, however, Boyce had become generally known only as a composer of anthems and the national song, 'Hearts of Oak', and as the editor of a monumental historical anthology of English anthems, 'Cathedral Music', which was still in use at that time.