For more informed and helpful material, the following are highly recommended:
Composing Electronic Music by Curtis Roads
Composing Music with Computers
by Eduardo Miranda
Composing Music: A New Approach
by William Russo
Electronic and Computer Music
by Peter Manning
Electronic Music and Musique Concrete
by F. C. Judd
Fractal Music, Hypercards and More
by Martin Gardner
Math and Music: Harmonious Connections
by Trudi H. Garland , Charity Vaughan Kahn
New Directions in Music
by David Cope
The Math Behind the Music by Leon Harkleroad
The Music Of The Spheres: Music, Science and the Natural Order of the Universe by Jamie James
The Story of Music
by Howard Goodall
Writings on Music, 1965-2000 by Steve Reich and Paul Hillier