21st Century (2007). Composed in 2007 for Dr. William Mann, Trifecta is a lively, multimetric trombone feature piece for brass quintet. It was premiered by the Missouri Brass Quintet in November of 2007. The piece is written in rondo form with an introduction and concludes with a tenacious, albeit brief, coda section. It was recorded by William Mann and Maureen Horgan on Moe's Bit o'Blues. -the publisher