Alexander Robert Reinagle (23 April 1756 – 21 September 1809) was an English-born American composer, organist, and theater musician. He should not be confused with his nephew of the same name, Alexander Robert Reinagle (21 August 1799 – 6 April 1877), also a composer and organist, who lived all his life in Britain. He was a close friends with a young Mozart when he visited London. He was influenced by Haydn, Mozart and Clementi. Scotland Reinagle was born in Portsmouth, England. His father was a Hungarian professional musician and his mother was Scots. His brother was Joseph Reinagle. He studied music with his father, then with Raynor Taylor in Edinburgh. He went on a trip to London in 1763. He met Mozart and his family a year later. At first, Reinagle made a living in the shipping industry, making several trips to the American colonies during the 1770s. In Edinburgh, he taught music and presented several concerts. His first keyboard compositions were published in Glasgow and became popular in the American colonies. New York and Philadelphia In 1786, Reinagle decided to try his fortune as a professional musician in the newly independent United States of America. He moved to New York City, and, later moved again to Philadelphia, which was the national capital at the time. He helped revitalize the musical life of Philadelphia in the 1790s, introducing that city to the music of Haydn and Mozart, as well as his own original compositions. One of Reinagle's admirers was American President George Washington. In 1789, Reinagle composed a "Chorus", which was performed for Washington at Trenton, New Jersey, during Washington's journey to his inauguration. Later, in Philadelphia, Nellie Custis, Washington's step-granddaughter, was one of Reinagle's music students. Washington was a frequent concertgoer, and could often be seen in the audience at Reinagle's concerts. On Washington's death in 1799, Reinagle composed a Monody on the Death of George Washington. In Philadelphia, Reinagle worked closely with Thomas Wignell in producing opera ballets with the New Company, at the Chestnut Street Theater. Reinagle and Wignell produced over 75 programs with the New Company. At Wignell's death in 1803, Reinagle moved to Baltimore, Maryland, where he became associated with the Holliday Street Theater. He died in Baltimore in 1809, and is buried in Old Saint Paul's Cemetery there. Reinagle's music His earliest compositions, from his days in Edinburgh, include a set of duos for