Joseph Haydn gave lessons in singing, keyboard instruments, theory, and composition throughout his life. His pupils included Ignaz Pleyel, Sigismund Neukomm and the Pole Franciszek (Franz) Lessel. In October 1805, Lessel received from his teacher the autograph score of his Symphony No. 56, dating from 1774. This symphony forms a pair with Symphony No. 55, known as “The Schoolmaster” and …