原文: Theory Gymnastics. By combining hilariously funny games with their creative books, the Three Cranky Women. Spirito. Level B.
译文: 论体操. Spirito roughly correlates with levels 2 – 3 of most popular Piano methods. 精神. B级. 乐谱. 计划. PF. 通过与他们的创造性的书籍,三胡思乱想的女性结合欢快有趣的游戏.