【单选题】Lennondisengaged himself fromthe music business in 1975 to raise his infant son Sean. Which of the following phrase can be used to replace the underlined part?
【简答题】types examples effects Slow music Ballads and some forms of (1)____music It often creates a (2)_______atmosphere that is good for (3)________after a busy day Very slow music below 50 beats per minute ...