My so-called singing act was to belt out country standards to the backup of music-only tapes on a portable recorder, a kind of do-it-yourself karaoke machine.
It deals, of course, with the techniques of music, but only in order to show how technique is directed toward expressive aims in music and toward the listener's musical experience.
当然，它涉及音乐的技巧，但只是为了表明技巧是如何指向音乐的表达目的和听众的音乐体验的。
3
For Plato, music is an important element in education, but only the right kind of music.