A Fool Proof Vocal ExerciseMay 30, 2014/in Better Skill Set/by Mark Baxter https://voicelesson.com/wp-content/uploads/2014/05/LipTrill.png 336 631 Mark Baxter https://voicelesson.com/wp-content/uploads/2014/05/voicelesson.png Mark Baxter2014-05-30 20:36:282016-05-05 17:51:56A Fool Proof Vocal Exercise