Gershon Kingsley occupies several unique niches within the history of popular and classical music -- and the sheer breadth of his work makes him something of a singular figure in music altogether. As a composer and instrumentalist, he is a central figure in the field of "space age pop" and new age music, but as a serious classical musician, Kingsley -- along with his younger American contemporary Walter Carlos -- was responsible for introducing the Moog synthesizer and other electronic keyboard instruments to serious music discussion and the popular music vernacular of the sec...