 Edgerton gives individual lessons as well as workshops.His pedagogical activities includes writings designed to spread the idea of systematic processes in voice exploration, these include a book (The 21st Century Voice), two forthcoming book chapters - one in The Oxford Handbook of Singing (Oxford University Press) and the other in Teaching Singing in the 21st Century(Springer Publishing), and two collections of pedagogical compositions, each focused on a separate aspect of the extra-normal voice (Conners Publications).Voice Research