| Estill Voice Training Level Zwei, 2. Auflage Figurenkombinationen für sechs Stimmqualitäten | | | Author:
| Estill, Jo | | Concept by:
| Estill, Jo | | ISBN: | 978-1-7340239-3-0 | | Publication Date: | Aug 2020 | | Publisher: | Estill Voice International, LLC
| | Book Format: | Spiral bound | | List Price: | USD $22.00 |
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