Loud Slutty Fuck in Student Housing

I live in a student residence where the walls are pretty well insulated. I’m used to blasting my music and I’ve never had any issues. But one night my bitch of a neighbor was getting fucked so loudly that I heard every single thing. It started late in the evening — I heard loud moans at first, then the bed creaking and the headboard hitting the wall. You can also hear him calling her a bitch over and over, and the sharp sound of spankings between the thrusts. I turned my music off, then stepped out into the hallway and recorded right in front of her door. From there everything is even clearer — the creaking, her reactions, the insults, the spankings, the steady pace that continued for hours. She got fucked the whole evening. What a slut