What is the word used to describe the sound of a live band?

The word used to describe the sound of a live band is "live music."

What I mean is the word used to describe the sound that a live band makes?

The word used to describe the sound that a live band makes is "live music." However, if you are specifically referring to the loud, energized sound that a live band creates during a performance, you could use words like "vibrant," "energetic," "dynamic," or "lively."

Can you define the words given above according?

1. Vibrant: Full of energy, enthusiasm, and life; bright and lively.

2. Energetic: Characterized by vigorous activity, forceful movement, or strong intensity; lively and active.
3. Dynamic: Characterized by constant change, activity, or progress; energetic and forceful.
4. Lively: Full of life and energy; animated, active, and vigorous.