DDIHC show -- why the mystery?

I post a message asking about getting into Friday's DDIHC show, and it gets moved to the FAQ section where the reply is, "listen to HFS." I check the HFS web site and it says, "no tickets required." I call HFS and leave a message, and get no return call. So, how much more work does it take to get an answer about this show? I guess you get what you pay for!
If the HFS website says no ticket needed then all you need to be is over 21 years of age. Doors are at 8:00.