Semi-occluded Vocal Tract Exercises are not some strange ritual being practiced on a commune in Oregon - no, they are perhaps one of the best and most foolproof ways to get your voice working correctly. Semi-occluded (partially blocked) vocal sounds create healthy backpressure in the voice, which presses down and helps the vocal cords align properly and hold back the air to produce great sounding waves of vibrating air. If it all seems a bit confusing, John will explain how and why they work in the episode. SHOW LINKS: The Oovo Straw is a handy device to aide in SOVT exercises.