NATS Executive Director, Allen Henderson, steered a panel discussion on March 10, 2011 entitled, "Choral Directors are from Mars and Voice Teachers are from Venus: Sing from the Diaphragm and other Vocal Mistructions," along with esteemed NATS members Sharon Hansen and Brenda Smith, NATS President Donald Simonson, and NATS Past President Scott McCoy. They presented an additional Interest Session that afternoon: "Choral Directors are from Mars and Voice Teachers are from Venus: Top 10 List - Complaints from Both Sides of the Aisle." Download the PowerPoint of the first presentation from this page and discuss the topic on the PowerPoint PDF download page at http://www.slideshare.net/OfficialNATS/vocal-mistructions-presented-by-nats-at-acda-powerpoint-pdf