| A | B |
|---|
| slaves | people who are owned by someone else and who work for no money |
| century | a time period of 100 years |
| blues | slow jazz music about sad feelings |
| jazz | a form of American popular music, such as slow New Orleans jazz or fast Dixieland music |
| popular | having widespread acceptance |
| express | speak about, declare |
| instruments | objects for making music, such as violins, pianos, or horns |
| guitar | a musical instrument with strings |
| harmonica | a musical instrument played with the mouth, a mouth organ |
| piano | a large musical instrument built with a wooden frame and many small black and white levers (called "keys") that are struck by the player's fingers, causing long wire strings to vibrate with sound |
| composers | people who write music |
| added | increased the number of |
