a painter hangs his or her finished pictures on a wall, and everyone can see it. a composer writes a work, but no one can hear it until it is performed. professional singers and players have great responsibilities, for the composer is utterly dependent on them. a student of music needs as long and as arduous a training to become a performer as a medical student needs to become a doctor. most training is concerned with technique, for musicians have to have the muscular proficiency of an athlete or a ballet dancer. singers practice breathing every day, as their vocal chords would be inadequate without controlled muscular support. string players practice moving the fingers of the left hand up and down, while drawing the bow to and fro with the right arm-two entirely different movements.

　　singers and instruments have to be able to get every note perfectly in tune. pianists are spared this particular anxiety, for the notes are already there, waiting for them, and it is the piano tuner's responsibility to tune the instrument for them. but they have their own difficulties; the hammers that hit the string have to be coaxed not to sound like percussion, and each overlapping tone has to sound clear.this problem of getting clear texture is one that confronts student conductors: they have to learn to know every note of the music and how it should sound, and they have to aim at controlling these sound with fanatical but selfless authority.

　　technique is of no use unless it is combined with musical knowledge and understanding. great artists are those who are so thoroughly at home in the language of music that they can enjoy performing works written in any century.

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作文地带知识拓展:

• 音乐[ yīn yuè ] 是由各种声音组成的乐律。音乐是一种艺术形式和文化活动，用有组织的乐音来表达思想感情、反映现实生活的一种艺术。它最基本的要素是节奏和旋律。分为声乐和器乐两大门类。它的基本要素包括强弱、调性、时长、音色等。由这些基本要素相互结合，形成 音乐的常用的“形式要素”，例如：节奏、曲调、和声，以及力度、速度、调式、曲式、织体等。音乐代表了所有人类社会文化共性的一方面。

  音乐的英文释义：Music uk  /ˈmjuː.zɪk/ us  /ˈmjuː.zɪk/

  a pattern of sounds made by musical instruments, voices, or computers, or a combination of these, intended to give pleasure to people listening to it

  音乐

  classical/pop/dance/rock music

  古典音乐／流行音乐／舞曲／摇滚音乐

  a beautiful piece of music

  一曲优美的音乐

  the art or study of music

  音乐艺术；音乐研究

  I studied music at college.

  我上大学时学的是音乐。

  the written system of symbols representing musical notes

  乐谱，曲谱

  Can you read music?

  你识乐谱吗？