Jul 22 Blog Featured Album: Basically Bull John Bull was one of the most successful keyboardists of his day, and a prolific composer whose compositions appeared in the seminal Fitzwilliam Virginal Book. He also wrote sacred music and was organist at Hereford Cathedral. John Bull may have also been a spy (!) for Queen Elizabeth, though this may never be proven (maybe […] By Daniel Gilliam Jul 22 Blog Featured Album: Basically Bull By Daniel Gilliam