mp3s from Exomusicology, Xentonality, Pam&Andy, and from TTSS are online for your listening and downloading pleasure:

Exomusicology Local Anomaly: Elastic pitches of the triangulaika adapt so that at each moment the intervals are maximally consonant. Sympathetic Metaphor: Played on an astral guitar built with 19 tones in each octave and featuring the amazing fretless basswork of Peter Kidd. Immanent Sphere: Each note is an overtone of a single underlying pitch. Rojqoq: A traditional Klingon song, played in the traditional scale conatining 60 equal divisions of the octave, and sung in the original Klingon. Pagan's Revenge: The trident instruments, tuned to seven equal divisions of the octave, play a theme forwards and then backwards - finally ending on the first note. This melodic palindrome is considered an essential aspect of musical balance in many parts of the milky way. When Everything was Simultaneous: The alien voices, their harmonics deranged by spectral mappings, warn of the danger inherent in even an instant of clarity.

Xentonality Turquoise Dabo Girl: In a scale containing 11 equal divisions of the octave. Three Ears: In a scale that adapts constantly (an "adaptive tuning") so as to maximize consonance at each instant. Imaginary Horses: In an "additive" or "overtone" scale. Truth on a Bus: In a scale containing 19 equal divisions of the octave. Duet for Morphine and Crystal: In a scale derived from the x-ray spectrographs of a morphone crystal. Incidence and Coincidence: Each note in this 19 tone per octave piece is harmonized by a tone from the 12 tone per octave scale. Circle of Thirds: In a scale containing 10 equal divisions of the octave. Ten Fingers: Played with a guitar-like sound, this is also in a scale containing 10 equal divisions of the octave.

Pam, Bill, and Andy Let Me Go Love Can't Move Mountains You Dreamed Me Spun Around Sea of Moments

Bill and the Sierpinski Triangles A collection of algorithmic musical compositions using "fractal" data to specify pitch, duration, and timbral qualities of the music.

Rhythm and Transforms, soundtrack to the book. Frankly, I don't see why all books don't come with great soundtracks.

...Other Pieces... An Incomplete Portrait of Gertrude Stein: Rapped by Gertrude Stein herself, this piece features a rhythmic bed set in a scale with 7 equal tones per octave. Fourier's Song: Also called "Table 4.1: Properties of the Fourier Transform", this piece uses an additive scale and all the tones arise from additive (Fourier) synthesis. Ubi Lubove Yubou: Puberhubaps yubou rubemubembuber hubow thubis guboes? Rojqoq: A traditional Klingon song, played in the traditional scale conatining 60 equal divisions of the octave, and sung in the original Klingon (with an English translation by Bill Sethares).