Elements in a concert

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Across
  1. 3. What the artist performs.
  2. 7. What the artist writes for you.
  3. 9. An item to put music loudly.
Down
  1. 1. They can be colorful and move as part of the show.
  2. 2. The set of seats.
  3. 4. Where the artist performs.
  4. 5. A place where a concert is held.
  5. 6. People who take care of the artists.
  6. 8. The people who pays for the concert.