Maybe this will help you out.
Slam Poetry is a type of competition where people read their poems without props, costumes, or music. After performing, they receive scores (0-10) from 5 randomly selected judges. The judges can be anyone: They don't even need to be poets! Scores are awarded based on how much each judge likes a poem.
5 Tips for Slam Poetry | Power Poetry
www.powerpoetry.org/actions/5-tips-slam-poetry