This booklet explores the internet of pitch relatives that generates the musical language of non-serialized twelve-tone system and offers either the analytical fabrics and techniques helpful for analyses of an enormous percentage of the 20^th century musical repertoire. It does so in an easy, transparent, and systematic demeanour to advertise an simply obtainable and worldwide figuring out of this track. because the chromatic scale is the first resource for the pitch fabrics of 20th-century tune, universal sub-collections of some of the modes and period cycles function the root for his or her mutual transformation. it really is accurately this peculiarity of the non-serialized 12-tone system that permits for an array of pitch kin and modal innovations hitherto perceived tricky if now not most unlikely to research. Susanni and Antokoletz current the foundations, suggestions, and fabrics hired for research utilizing a different theoretic-analytical method of the hot musical language. The ebook incorporates a huge variety of unique analyses that discover a number of composers together with Ives, Stravinsky, Bartók, Messiaen, Cage, Debussy, Copland, and plenty of extra, offering perception into the track of the tonal revolution of the 20th century and contributing a major viewpoint to how song works in general.