Michael Steinberg (1928-2009)
Michael Steinberg, the musicologist, lecturer and program annotator for the San Francisco Symphony, New York Philharmonic and other orchestras, has died of cancer at the age of 80.
Steinberg adapted his program notes into three definitive guides to classical music, "The Symphony," "The Concerto" and "Choral Masterworks."
His obituary in The New York Times:
http://www.nytimes.com/2009/07/29/arts/music/29steinberg.html?_r=1&ref=music