http://cas.gmu.edu/beyond_sight/index.html Commissioned by the College of Arts and Sciences at George Mason University. Concert information, spoken introduction,biography and Mason Gazette article. http://www.lottelehmann.org/llf/about/profiles/llf_advisoryProfile20.html Picture and short biography. http://www.tntech.edu/www/aba/dan_welcher.htm Short biography. http://www.presser.com/welcher.html (1948- ), Rochester, New York. Picture, biography, works available from Theodore Presser Company, discography and reviews. http://stevenestrella.com/composers/composerfiles/welcherliving.html (1948- ), Rochester, NY. Biographical data, CDs, books and sheet music, major works, bibliography, and links to biographical essays from Dr. Estrella's Incredibly Abridged Dictionary of Composers.