was founded in 1770 and still exists today. They published French and Italian operas (Donizetti, Rossini), and later such authors as  Hindemith ,  Stravinsky ,  Orff ,  Schoenberg ,  Henze  &  Wagner . Simrock of Bonn and later Berlin was established in 1790. Their original authors were Beethoven, Haydn, Meyerbeer, Weber,