Guess the event!

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Across
  1. 3. an event where artists display their work.
  2. 6. an event where a dancer or group of dancers perform a dance routine.
  3. 7. an event where musicians play songs.
  4. 8. an event where fans of a TV show/movie/book dress up as the characters.
Down
  1. 1. an event where people play video games to see who is the best.
  2. 2. an event where a lot of people with the same interests gather.
  3. 4. an event where a speaker gives a talk on an issue (e.g. environmental, entertainment).
  4. 5. an event where the author of the book signs copies for fans.