My neighbours are having a party. I hear them talking and I hear the music. Do I complain? No!
In my opinion it is okay to have a party every once and a while. They are good people and I like them to have fun! Too many people these days complain about everything. When the neighbour walks too loud, talks too loud or just sneezes..
Would you like to party every now and then? Then let them and enjoy a year full off hello's and goodbye's instead off angry faces and grunts.