Aaron Hettinga is a Composer/Arranger/Trombonist from the Greater Grand Rapids area of West Michigan. As a freelance musician, he is in demand and plays regularly with a number of ensembles and in recording sessions in various genres.
George Ferencz taught music theory and arranging at the University of Wisconsin-Whitewater, and his piano-vocal arranging for Hal Leonard includes the Broadway folios for Wicked, Avenue Q, Urinetown, and The King and I. He’s best known for his Robert Russell Bennett research, and is editor of Bennett’s memoir, The Broadway Sound (pub. 1999).
Caleb Elzinga is a professional saxophone player from the Michigan midwest. He studied jazz saxophone through graduate school and has been an active member in his musical community from a young age. Caleb has played with a variety of bands of every genre, including reggae, pop, jazz, and gospel. Writing and arranging became a focal point post university and remains a staple in his musicians umbrella of ability. Having played in many horn sections, clarity has always been the greatest asset. He arranges for Lighthouse Full Life Center Church and the Blue Water Kings. Caleb is currently on the road with Joe Hertler and the Rainbow Seekers.
Allsen taught courses in Music History, World Music and Interdisciplinary Arts at the University of Wisconsin-Whitewater. He also performed on bass trombone for nearly 30 seasons with the Madison Symphony Orchestra. Most of his arrangements and compositions have been created for the Glenwood Moravian Trombone Choir, a group he cofounded in 1983—he is still co-director of the group.