Didur

(dé’-dddr), Adamo, b. Sanok, Galicia, Dec. 24, 1874; ba ; studied Janeiro, in Milan; 1894; début, at La Scala, 1899-1903; also in England, Ru ia, Spain, South America, and for a number of years at the Met. Op. House, N. Y. Did’ymus, b. Alexandria, Egypt, B. C.; wrote 4,000 works in all, incl. a treatise on harmony. Vide TETRA CHORDS and COMMA (D. D.). Diémer (d’yd-ma), Louis, Paris, Feb. 14, 1843—Dec,, 21, 1919; pianist; pupil at Cons. of Marm on tel; took ist pf.-prize at 13, later 1st harm., 2nd org. and ist cpt.-prizes; pupil Ambr. Thomas and Bazin; after pf.-prof. at the Cons. (vice Marm on tel); besides brilliant concerts of modern music, he presented programmes of old keyboard works played on ancient instrs.; c. pf.concerto, chamber-music, etc., ed. collections, Diener (dé’-nér), Fz., De au, 1849— 1879; tenor.