Douglas Hill is a composer, author and horn soloist. Hill was the professor of horn at the University of Wisconsin–Madison. He has performed as a soloist with the Rochester Philharmonic, Madison Symphony Orchestra, and New York City Ballet, and also performs in chamber ensembles. He has made three solo recordings. Hill has composed works for the horn, and written several instructional books, including "Collected Thoughts on Teaching and Learning, Creativity," "Horn Performance, Extended Techniques for the Horn: A Practical Handbook for Students, Performers, and Composers," "High Range for the Horn Player, From Trills to Tremolo to Vibrato," and "Warm-ups and Maintenance Sessions for the Horn Player."