is it ok for a couple of satanist to hav swinger party with xian/atheist couple?

Hello! I was in my room listening an album of neurology brainwaves which the whole album took about 6 hours of nonstop sound which all you can here is a bass sound going zugzugzugzugzug...etc.... Now i didn't know it was that long but for some reason while listening to it about 1hr or so i saw...