- Composer known for microtonal works offers links to his books as well as summaries of extensive articles for scholarly journals and reviews for popular publications like "The Village Voice," with a biography detailing awards and distinctions.
- Academic administrator and musicologist at Drexel University who specializes in the polyphony of William Byrd, evolutionary musicology, and the philosophy of analysis.
- Biography shows studies, career path as librarian and professor, and lists major areas of research. From the Grove Concise Dictionary of Music entry at WQXR radio.
- Biographical sketch noting his teaching and conducting with special mention of his influence on the Musica Britannica and in the Baroque revival of the 20th Century. From the Grove Concise Dictionary of Music entry at WQXR radio.