Nativitas! Fantasy on Perotin's 12th Century Allel

A fantasy on the 3-voice organum “Alleluia: Nativitas” composed by the 12th century master, Perotin. The work uses great blocks of Perotin's polyphony, juxtaposed and superimposed at multiple tempos and embroideredwith some new materials echoing the Gothic style. The work was originally written for the North Hills High School Band.