How do bamboozle concerts work out?

like i know that there are a lot of different bands playing on different stages.. But i want to see Drake on Saturday and he performs at 8:25...when would i be aloud to go get a spot near the stage? & the people who were at the last performance on the same stage, are they aloud to stay there for the next performance?...its my first bamboozle festival and i'm not sure what to do..