Freestyles for Dummies

I have not found any info on this after lots of searching. I don’t know anything about freestyles.

  1. They seem to be 2-3 minutes long from what I’ve watched, so is there an exact time?
  2. Do you always have to pick from a list of songs?
  3. Is there a junior division?
  4. Would it be crazy or bad if I used this song:
  1. Is there a contest in Arizona this year?
    Thanks!