In very many evidences and questions of "common sense", it remains unsatisfied especially in technical .. It lacks some themes (law, regulation, SACEM, bonds etc ..) and some other subjects are not enough depth .
It would have been wise to add to it a CD demos or at least many sketches, especially illustrations advantage. There is not a single color photo, no suffisement illustrations or sketches to air and simplify the explanations.
We find everywhere the same comments of this book on the Internet, ie the press release (copy / paste on all sites or blogs). To speak of a book, one must have lu..et not copy the argument description of the editor.
Certainly be Dj is learned only on the ground and through practice, reason to think twice before buying that book (translated from English) who does not learn much in the end. .Vraiment very very disappointed. Some other books on the same subject are beoucoup thinner, but they are poles apart.