Michael Haydn (September 14, 1737 – August 10, 1806) was an Austrian composer, the younger brother of the more famous Joseph Haydn. He was a prolific composer, writing over 1,000 works in a variety of genres, including symphonies, concertos, chamber music, operas, and sacred music.
Michael Haydn was born in Rohrau, Austria, into a musical family. His father was a wheelwright and his mother was a cook. He began studying music at an early age, and by the age of 12 he was a choirboy at St. Stephen's Cathedral in Vienna.
In 1757, Michael Haydn was appointed Kapellmeister to the Prince-Bishop of Salzburg. He held this position for over 40 years, and during that time he composed a large body of music for the prince-bishop's court.
Michael Haydn was a close friend of his brother Joseph, and the two composers often collaborated on projects. Michael Haydn was also a mentor to many young composers, including Carl Maria von Weber and Franz Schubert.
Michael Haydn died in Salzburg in 1806. He is considered one of the most important composers of the Classical period.