Functional Music - Yesterday's Music

Japanese: 機能音楽 - きのうおんがく

... By shining a light on the various musics around the world, or on the performing arts in which sound is the main element, from a number of angles, we can see the universal aspects of their essence and the differences in how each ethnicity expresses itself. For example, the concept or definition of music, the structure of music, the form of performance, the types of instruments and how they are used, the uses and functions of music in society, musicians (professionals and amateurs), the way of transmission, and the relationship with other performing arts. Ethnic music and folk performing arts Combining high and low tones and long and short tones to create melodies and rhythms, and devising various forms by repeating musical patterns, are common to all ethnic groups, and this can be said to be an aspect of musical behavior that is universal to humanity. ...

From [Absolute Music]

...(2) It is opposed to program music, which has the intention of describing conceptual or objective content. (3) It is opposed to functional music, which takes into account the occasion of the time and place of performance, and has religious or social purposes. In this way, it is opposed to heteronomous music in the sense that it is autonomous music that is not influenced by conditions or purposes and gives its own rules of composition.

*Some of the terminology that refers to "functional music" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…　地球上のさまざまな音楽ないし，音が主要な要素を成す芸能は，いくつもの角度から光を当てることによって，その本質の普遍的な側面とそれぞれの民族性の表れ方の違いを見ることができる。例えば，音楽の概念ないし定義，音楽のしくみ，演奏形態，楽器の種類や扱い方，社会における音楽の用途と機能，音楽家(専門家と素人)，伝承のしかた，音楽以外の芸能との関連などである。民族音楽民俗芸能　音の高低，長短を組み合わせて旋律やリズムを作り，音型の反復によって形式をさまざまにくふうすることは，どの民族にも共通しており，これは人類に普遍的な音楽行動の一側面であるといえる。…