content: This is mostly valuable for its historical significance, but that is no mean thing, and it is worth your while working through it-every composer and theorist should. The translator distributes his English version of Fux's "Gradus ad Parnassum" between this and "The Study of Fugue" so I recommend you pick up a copy of "The Study of Fugue" too.Also recommended: PENTATONIC SCALES FOR THE JAZZ-ROCK KEYBOARDIST by Jeff Burns.