Julia Davids, Stephen LaTour
Vocal Technique
A Guide to Classical and Contemporary Styles for Conductors, Teachers, and Singers, Second Edition
Harold A. Decker, Colleen J. Kirk
Choral Conducting
Focus on Communication
Charles Hoffer
Introduction to Music Education
Fourth Edition
Music for Elementary Classroom Teachers
James C. McKinney
The Diagnosis and Correction of Vocal Faults
A Manual for Teachers of Singing and for Choir Directors