It's simple and free to join. After you join you are free to audition in online singing contests at iSuperStar.net. You can also vote in competitions and comment on auditions. There are 2 sign up types: 1. Quick Registration - for those who do not wish to compete in online singing competitions, but wish to vote & comment only. And 2. Full Registration - for those who wish to audition in singing competitions, vote & comment. - Good Luck