| A | B |
| binary | AAB or ABB, two-part form |
| ternary | many Christmas carols have this form (ABA) |
| variation | changing some parts of a musical idea but keeping others intact |
| contrast | striking differences in pitch, dynamics, rhythm, etc. |
| repetition | hearing the same musical idea again in almost the exact same way |
| homophonic | melody and harmony or accompaniment |
| polyphonic | having 2 or more distinct melodies |
| monophonic | one melody and no accompaniment or harmony |
| imitation | when one instrument starts a melody and then another comes in with the same melody |
| canon | round; when the same melody is played started at different times |
| counterpoint | when several distinct melodies combine to create a meaningful whole |
| melody | the main musical idea that holds your attention |
| harmony | music that supports; "background" music |