Book (Practical) Hobbies and trivia Comes with CD) A book that enables you to speak 3 octaves in a week. A surprising training that expands your voice range without excessive force.
※Please note that product information is not in full comprehensive meaning because of the machine translation.
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Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Music
Hobby and miscellaneous study
Comes with 1 CD