With album titles such as Coalescence: Harmonic Singing in a Water Tower and Godspace, and a performing ensemble named Spectral Voices, it is easy to see that the west coast vocalist and composer Jim Cole is not involved in cruising-for-burgers type music. His kingdom lies somewhere between new age and avant-garde, and he is no doubt personally unhappy accepting either label as a description of anything. At least Spectral Voices can be accurately depicted as an a cappella group, one that specifically uses human voices to create music based on overtones. Each of the vocalists o...