Carnival!

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Across
  1. 3. A celebration when musical bands and people in costumes move down the street.
  2. 4. A a set of clothes worn by an actor or by someone to make them look like something such as an animal, a superhero etc.
  3. 5. Something that you put on your face to cover it.
Down
  1. 1. Coloured lights and noise in the sky.
  2. 2. A group of musicians, especially a group that plays popular music.