This book represents the first wide-scale presentation of a major jewish mystic, the founder of the ecstatic kabbalah. It includes a description of the techniques employed by his master, including the role of music. Ther...This book represents the first wide-scale presentation of a major jewish mystic, the founder of the ecstatic kabbalah. It includes a description of the techniques employed by his master, including the role of music. There is a discussion of the characteristics of his mystical experience and the erotic imagery by which it was expressed.