In this episode, John talks with arranger, vocal percussionist, and author Rob Dietz about his latest book, "A Cappella 101," and how vocal techniques and an understanding of how your voice works will help singers develop their voices. Episode Highlights: Rob talks about his experience and how it inspired his latest book Vocal drumming explained How understanding formants and vowels will help you create contrast in textures and tone The importance of groove, feel, and articulation        To learn more about Rob Dietz, visit: robdietzmusic.com To learn more about John Henny, his best-selling books, courses, John’s Singing School, and the Contemporary Voice Teacher Academy, visit: johnhenny.com