music             
noun [ U ] uk/ˈmjuː.zɪk/ us/ˈmjuː.zɪk/
A1 音乐
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
  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 
 What kind of music do you listen to? 你听什么样的音乐? 
 They play good music on this (radio) station. 这家电台播放的音乐很好听。 
 I just like making music (= playing an instrument or singing). 我就是喜欢唱歌奏乐。 
 Shall I put on some music (= play a recording)? 我放点音乐好吗? 
  音乐艺术;音乐研究
the art or study of music
  I studied music at college. 我上大学时学的是音乐。 
 the music business/industry 音乐行业/产业 
 music lessons 音乐课 
  乐谱,曲谱
the written system of symbols representing musical notes
  Can you read music? 你识乐谱吗? 
 - More examples
 - Our neighbours are very inconsiderate - they're always playing loud music late at night.
 - Listening to music is one of his greatest joys.
 - I find some of Brahms's music deeply moving.
 - She composes and performs her own music.
 - Do you mind if I put some music on?
 
Idiom   
be music to someone's earsidiom  (对某人)是悦耳的声音,是佳音;是中听的话
to be something that you are very pleased to hear
  The sound of her key in the lock was music to my ears. 她的钥匙转动门锁的声音对我来说就是悦耳的音乐。