Diabelli

(de-a-bel'-li), Antonio, compr. b. Mattsee, near Salzburg, Sept. 6, 1781; d. Vienna, Apr. 7, 1858. Choir boy at Michaelbeum and Salzburg; studied for priesthood and entered monastery; when convents were secularized went to Vienna; encouraged in music by Michael and Joseph Haydn; composed an opera, cantatas, etc., and many sonatinas and easy pieces still popular; 1818 entered publishing busine , a umed control 1824; published much of Schubert’s music, treating the composer rather shabbily.