Downloadable piano sheet music from Sonatas by Joseph Haydn to print: Sonata Hob. 16 No. 49 in E-flat Major (published in 1790) Sonata Hob. 16 No. 49 in E-flat Major, a composition by the classical composer Joseph Haydn. The piano score of this piece was first published in 1790 and is part of Sonatas by Haydn.