I will give you a hint on how to discourage your neighbor from playing loud ... almost zero expense ... we had such a guy playing around the clock and he did not take into account anyone. Zero idea once out of fear because it's gumbas. So, to the point, every time a neighbor was playing, we were painfully hanging cards with information. party on the 4th floor, apartment No. 12. My surname is ... please, free admission, it helped so much that it turned out not only bothered me, but others, so it was them they called the police, not me..later we sent leaflets with his address and the phone number to the university a neighbor came home quite regularly, so it was possible to set the hours of playing ... pushed to him at the party .. and when the police arrived, they had signposts in the form of leaflets. Effect. it worked ... and the guy had no idea who was writing it