music

1. famous musicians

1.1. john williams (jaws)

1.2. beethoven

2. types of instruments

2.1. woodwind

2.2. brass

2.3. strings

2.4. percussion

3. types of music

3.1. jazz music

3.2. rock music

3.3. rap

3.4. blues

4. scales

4.1. notes

4.2. pitch (high, low)