"Set Theory for Improvisation Ensemble Method" is a series of books exploring the relationships of post tonal theory to contemporary improvisation. The series includes a theory book and several ensemble books. The theory book gives the underlying information on how each pitch class set can be applied to contemporary improvisation while the ensemble method gives examples of applying this information in the form of etudes. Это и многое другое вы найдете в книге Set Theory for Improvisation Ensemble Method (Bruce Arnold)