Perhaps the most amusing experience was the time we had three police cars and one brushbreaker fire truck come put an end to our fun. We learned that no matter how secure you think your location is, there is always something, or someone that will eventually come along and ruin your fun. So choose your location well and limit the number of people who know where it is. Any type of music is acceptable. Just remember that excessive volume can attract undesirable elements.
Beer is the easiest to manage.
Dress appropriately, and don't be surprised when your clothes smell like bacon. Do this tradition right and keep the spirit of the outdoor party alive.