Another notable English Catholic, possibly a convert,Harley, John. (1998) "New Light on William Byrd", Music and Letters, p.79 , pp. 475–488. was composer William Byrd. Some of Byrd's most popular motets were actually written as a type of correspondence to a friend and fellow composer, Philippe de Monte. De Monte wrote his own motets in response, such as the "Super Flumina Babylonis". These correspondence motets often featured themes of oppression or the hope of deliverance.
another notable english catholic possibly a convertharley john (1998) "new light on william byrd" music and letters p79  pp 475–488 was composer william byrd some of byrd's most popular motets were actually written as a type of correspondence to a friend and fellow composer philippe de monte de monte wrote his own motets in response such as the "super flumina babylonis" these correspondence motets often featured themes of oppression or the hope of deliverance