1.  Music media for storing music has been constantly changing. Why? Companies have been trying to make it more convenient.

2.  Music format— 1950- 1990s: Vinyl records What did users have to know? the speed at which to play them

3.   Were the records portable? Why or Why not? No. Because they were too big.

4.  The new device—1970s: The Walkman  What was the new music format called? compact audio cassette tapes

5.  Were the records portable? Yes

6.  &  The new music format—1990s: CD/ compact disc  Was the format popular at first? No.

7.  &  Why or why not? (1) pretty expensive (2) vinyl records sounded better than CDs

8. When did the format reach the highest popularity? At the start of the 21 st century

9.  By 2007, the popularity of the CDs dropped because MP3 was invented.

10.   The advantages of MP3: (1) store several times more music (2) smaller (3) constantly add new music to the MP3 players

11.  Conclusion:  There will certainly be a new way to store and listen to music in the near future.