Vocal Placement. What is it for? Vocal placement determines the quality of sound produced from your mouth and everything inside. A lot of singers place their sound too far back in their mouth, sometimes described as a “swallowed” sound, but in this video you will learn a vocal exercise that will enable you to move your sound to the front of your face (mask). Being able to move the placement of your voice is essential to bringing the different sounds required for different songs.