NEW YORK, NY.- The Morgan Library & Museum announced that on December 20, 2010, it will make digital versions of more than forty celebrated music manuscripts from its extraordinary permanent collection available on its Web site for the first time. Music Manuscripts Online, at www.themorgan.org/music, will include such important works as Beethoven’s Violin and Piano Sonata, op. 96; Chopin’s Polonaise, op. 53; Debussy’s En sourdine; Haydn’s Symphony No. 91; Mahler’s Symphony No. 5; Mendelssohn’s Calm Sea and Prosperous Voyage; Mozart’s Piano Concerto, K 537; and Schubert’s Impromptus D 935. Eventually as many as nine hundred manuscripts containing more than 42,000 pages will be added to the Morgan’s Web site. The Morgan’s collection of music manuscripts is considered one of the best in the world, and is consulted by scholars, performers, conductors, and collectors. Until recently, access was largely provided by appo