1. An overture is a musical composition that often introduces a larger piece.

2. DJ or "deejay" stands for "disc jockey."

3. The term "dynamic range" refers to how loudly and softly an instrument can play.

4. The glockenspiel is a type of percussion instrument.

5. In music, rhythm involves time.

6. Tempo is sometimes associated with rhythm in music.

7. Harmony involves scale.