John Wilbye (c. 1574 – 1638) was an English composer best known for his contributions to the genre of madrigal music during the late Renaissance period. He was a prominent figure in the development of English madrigals, a form of secular vocal music that flourished in the late 16th and early 17th centuries. Wilbye's notable works include a collection titled "Psalmes, Sonets, and Songs of Sadness and Pietie" (1609), which features some of his most celebrated madrigals, such as "Draw on, sweet night" and "O, mery, mery, mery, mery, mery, mery." His compositions are characterized by intricate vocal lines, expressive harmonies, and a deep emotional resonance, reflecting the themes of love and nature prevalent in the poetry of the time. Wilbye's impact on music is significant, as he helped to establish the English madrigal as a distinct genre, influencing subsequent composers like Thomas Morley and Orlando Gibbons. His work contributed to the rich tapestry of English choral music and remains appreciated for its lyrical beauty and technical sophistication, marking a vital period in the transition from Renaissance to early Baroque styles.