美国作曲家、音乐理论家阿伦·福特的《调性和声的概念与应用》一书初版于1962年,此后几经修改、补充,迄今共再版三次。书中有许多重要的观点和方法更新了以往的和声教科书对于调性和声的概念,如“和声轴”概念的提出,只承认构成调性和声基础的两个“主要三和弦”(Ⅰ、Ⅴ),不同意“正三和弦”(Ⅰ、Ⅳ、Ⅴ)的观点,这与当代的理论 The American composer and music theorist Alan Ford’s “The Concept and Application of Harmony Harmony” was first published in 1962, and was revised and supplemented thereafter, three times in total so far. There are many important ideas and approaches in the book that update the concepts of harmonic harmony used in past chorus textbooks, such as the concept of “harmony axis,” which recognizes only the two “major triads” that underlie the tonality and the sound, (Ⅰ, Ⅴ), disagree with the viewpoint of “true triad” (Ⅰ, Ⅳ, Ⅴ), which is different from contemporary theory