Parties are a delicate ecosystem. You need the right balance of people in order for them to really take off. You need the host, of course, whose job is to facilitate the good times. Then you need the circle of close friends, who will come early and get things going, acting as a cushion for the rest of the guests. Then you need the party starters- the people who will be the first to dance and break the tension. And then you need the willing participants, people who will go along with the festivities. And then you need the heroes, the folks who will stay afterward and help the host clean up. The most important job of all.
If you have all of these archetypes filled, then your party is sure to be a hit. Just make sure you have some memes ready to help you wind down after a long night of raising the roof.
