Think of why you are going to a rave
Test it out and see how you like it. Do you like dancing, the crowd? Do you like the music? Figuring out one of the reasons why you are interested.
Have an interest in other genres of electronic music
There is a wide variety of different styles of electronic dance music. If you are heading to techno event, you should be open to other styles and sub genres.
Dig deep
If you are going to techno, trance or house event, find all there is to know about the artist that will play by listening to their music. This will be what you will possibly hear at rave.