Travel / what areas to avoid in poznan..... [5]

so i'm gonna be in poznan for two weeks starting in late may. being that i'm a huge fan of walking the streets of the towns i visit....are there any particular areas of Poznan I should avoid. hopefully, there aren't too many because I love to explore. :)

Law / Street performing (music) in Poland... permit needed? [14]

in America there are several cities that require permits to perform music on the streets. are there any laws like this in Poland? particularly Poznan?