Оригинал: Movable Tonic. A Sequenced Sight-Singing Method Student Book composed by Alan McClung. Published by GIA Publications.
Перевод: Движимое Тоник. A Sequenced Sight-Singing Method Student Book. Движимое Тоник. Учебный. 200 страниц. Опубликовано GIA Публикации. Учебный.