中国古代《乐论》中说:“六律俱存而莫能听者,无师旷之耳也。”马克思也曾说过:“欣赏音乐,需要有辨别音律的耳朵具有听力,对于不辨音律的耳朵说来,最美的音乐也毫无意义。”换言之,尽管人人都有耳朵,可并不是任何人都能很好地参与音乐生活的。于是,常有人抱怨自己“五音不全”、“听不出音乐的门道”、“唱不出动听的腔调儿”。“师旷之 In ancient China, “music theory” said: “There is no one who can listen to anything but a listener, and no teacher.” Marx once said: “To enjoy music, it is necessary to have a hearing-listening ear that distinguishes the rhythm, The most beautiful music is meaningless in the ear of the temperament. ”In other words, not everyone, though everyone has ears, can participate well in music life. As a result, people often complain about their own “pentameter”, “can not hear the music of the door”, “can not sing a melodious tone children.” "Teacher Kuang