The intense amount of musical cramming done right before a music festival. It requires long hours of surfing, looking up for song lyrics, reading about band biographies and downloading. With the shitload of bands entering the music scene every year, this is especially common among the metal music listeners.
A: I'm going to this festival, and I have no idea what half of the bands sound like!
B: Why the hell are you going then? Well if you must, I bet you've got to do some pre-festival cramming.