The New York Times (August 23, 2001): Beethoven's 'Macbeth' Bubbles to the Surface
The National Symphony Orchestra announced today that it would perform a version of a Beethoven orchestral work pieced together from ideas the composer set down for an opera based on Shakespeare's ''Macbeth.'' The opera was never written, but Beethoven's preliminary jottings survived.
''We have to remember, this is not a Beethoven composition,'' said Leonard Slatkin, music director of the National Symphony. ''This is a reconstruction from sketches.''