Slimed
Concerts make you sweat, and just generally leave you dirty. Usually, it’s because of your own bodily fluids and choices, not because Nickelodeon decided to show up to the festival and leave its mark behind.
Bubble Surf
Back in 2014 during the Ebola crisis, Akon headlined in Congo but still wanted to interact with his audience. He came out in a bubble and performed in it. Unfortunately, he forgot how hard it is to stand up in one of these, and spent most of the concert falling.