The composer, organist, and theorist Thomas Morley (ca. 1557-ca. 1602) was the chief English exponent of the Italian madrigal tradition.

Thomas Morley was born about 1557 and, sometime between 1602 and 1608, died after a long illness. During his early years he studied composition with William Byrd and organ under Sebastian Westcote. In 1588 Morley received a bachelor of music degree from Oxford and took the position of organist at St. Giles, Cripplegate. In 1591 he became organist at St. Paul's, joining the Chapel Royal the following year. About this time Morley married; he and his wife, Susan, had three children between 1596 and 1600.

During this period Morley, like Byrd a Roman Catholic, encountered trouble as a recusant. Charles Paget, an agent, had intercepted letters which held enough incriminating evidence for him to have had Morley hanged. He repented so abjectly, however, that Paget let him off.

In 1598 Morley applied successfully for the license to...