Final answer:
Haydn composed a variety of music at the Esterhazy court, including symphonies, string quartets, operas, and chamber music. The Esterhazy family was a prominent Hungarian noble family and patrons of the arts. The Baryton was a unique instrument favored by the Esterhazy family, and Haydn composed works featuring this instrument.
Step-by-step explanation:
Haydn composed a variety of music at the Esterhazy court, including symphonies, string quartets, operas, and chamber music. He served as the court composer for the Esterhazy family for almost 30 years.
The Esterhazy family was a prominent Hungarian noble family. They were patrons of the arts and supported musicians and composers, including Haydn, who served as their Kapellmeister or court composer.
The Baryton was a unique stringed instrument that was favored by the Esterhazy family. Prince Nikolaus I, a member of the family, played the Baryton and Haydn composed numerous works featuring this instrument during his time at the Esterhazy court.