TY - BOOK AU - Angell,Warren Mathewson,1907- TI - The Progressing vocalist AV - MT 870 An43 1957 PY - 1957/// CY - Nashville, TN PB - Convention Press KW - SINGING KW - STUDIES AND EXERCISES KW - VOCAL MUSIC KW - TECHNIQUES KW - VOCAL REGISTERS KW - VOICE KW - STUDY AND TEACHING N1 - 1st term ER -