Keith Polk is a Professor Emeritus at the University of New Hampshire, and has also taught at Brandeis University, Massachusetts, the New England Conservatory, and Regents College, London. He is one of the foremost authorities on Renaissance instrumental music, and has produced numerous articles and several books on the subject, including German Instrumental Music of the Late Middle Ages (Cambridge, 1992). He is also a professional player of the French horn, having performed with the San Diego Symphony, the Amsterdam Concertgebouw Orchestra, Boston Baroque, and the Smithsonian Chamber Players. His Festschrift, Instruments, Ensembles, and Repertory, 1300-1600, edited by Timothy McGee and Stewart Carter, was published in 2013.