價格：免費
檔案大小：32.5 MB
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Training for singing teachers, singers and other voice professionals. Distance and blended learning, workshops, residential, and one-to-one.
支援平台：iPhone, iPad
價格：免費
檔案大小：32.5 MB
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Training for singing teachers, singers and other voice professionals. Distance and blended learning, workshops, residential, and one-to-one.
支援平台：iPhone, iPad