In this episode, John creatively discusses quarter-wave resonators, resonance, and registration. Episode Highlights: The voice is a quarter-wave resonator Sound wave starts at equilibrium until a disturbance is created Nodes are zero displacements, while antinodes represent maximum velocity   To learn more about John Henny, his best-selling books, online courses, Vocal Assessments and Voice Lessons with his Teaching Team of Experts, Speaker Training, and the Contemporary Voice Teacher Academy, visit: JohnHenny.com.