In 1951, under the direction of Frederick Fennell, a group of wind, brass, and percussion students at the Eastman School of Music in Rochester, New York, performed a groundbreaking concert. On the program were several names quite familiar to the Western musical canon, including Willaert, Lasso, Mozart, Beethoven, Stravinsky, as well as a few less-familiar faces, such as 17th century composers Samuel Scheidt and Johann Pezel, and 20th century American Carl Ruggles. The pieces themselves, however, were in an even more obscure vein: a motet for double brass choir by Lasso, a trom...