About that same time, Henry met a transformative choir teacher and chose to make vocal music his life's work.
He also formed Voices Only,[20] an a cappella ensemble that performed at the 2004 Missouri Music Educators Association conference, toured Germany, Holland and Sweden, and produced a recording.
[22][23] Henry is the musical and artistic co-director of the five-time BHS international champion chorus, the Ambassadors of Harmony, a 130-voice men's a cappella ensemble.
Henry, along with Brandon Guyton, Mike Slamka, and Fred Farrell formed Crossroads in 2007 as a traditional barbershop harmony quartet, a cappella music styles.
The Gas House Gang produced five albums, performed in all fifty states and fifteen countries.
[12][33][34] Their television appearances and radio broadcasts include NBC's Today Show, NPR's Present at the Creation,[35] and PBS specials.