> I'm seeking reviews of Pierre Schaeffer's "Solfege de l'objet sonore," a
> thick booklet published with LPs in in 1966 or 7, again on CD, P 1998.
The full length book describing the principles the Solfege records
demonstrated is entitled Traité des Objets Musicaux, searching for
that may be a bit more fruitful. The book is pretty widely available
in American refernce libraries, but was not (to my knowledge) ever
translated into English.