Documentary will feature legendary Minnesota choir director

Erik "Doc" Christiansen, former choir director of Stillwater Area High School, acknowledges his students on Dec. 17, 2012, during the Winter Concert at Stillwater Area High School. Roger Williams, left, works with editor Matt Grosso on a documentary about legendary Stillwater choir director Dr. Erik "Doc" Christiansen called"His Voices A Short 'Doc'umentary" at Grosso's home studio in St. Paul on Wednesday, Dec. 13, 2017.