About the Author
She was a member of National Association of Teachers of Singing (NATS), presenting seminars and workshops, and has had a celebrated international performing career, singing as a principal with the Metropolitan Opera, the Deutche Opera Berlin, and in concerts, operas, and recitals throughout the United States.
She has sung under the direction of such conductors as Erich Leinsdorf, Dimitri Mitropoulos, Boris Goldovsky, Alfred Wallenstein, Jean Morel, Fausto Cleva, Anshel Brusilow, and Paul Hindemith.
Wall is the author of International Phonetic Alphabet for Singers and coauthor of Diction for Singers, The Singer's Voice video series, Sing! Text and songs for voice class, and the Excellence in Singing.