When the Enigma CD was released in Taiwan, the local agent wrote on the jacket that this was the "first time Taiwan aboriginal music was introduced on the world stage." But neither on the jacket nor in the CD liner notes was the origin of the human voices explained clearly.
「謎」樂團專輯 CD 在台出版時，代理公司在封套側頁註明：本曲「首次將台灣原住民音樂推上國際樂壇」，但是不管在封面或樂曲的解說裡，對這段人聲的來源並未交代清楚。