Daily Fun 9/18!

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Across
  1. 3. Move to the music?
  2. 4. If Apple made a car, what would be missing?
  3. 6. Brightness measure?
  4. 7. Dancer's favorite dip?
  5. 8. What is full of holes but still holds water?
Down
  1. 1. What pets do musicians like?
  2. 2. What do musicians use when they get hurt?
  3. 5. What has keys but unlocks nothing?
  4. 8. Good or bad vacuum cleaner review.