What do 120 artists, a mobile art bus, professional cloggers, a geological dig, 75 performers, something called a nacholupa and downtown Tulsa have in common? Answer: The 39th annual Tulsa International Mayfest. And it’s going on in downtown Tulsa this weekend. Get a full schedule of events at <a href="http://www.tulsamayfest.com">TulsaMayfest.com</a>, and get <a href="http://www.tashadoestulsa.com/2011/05/mayfest-2011-plus-a-giveaway">my picks for what to check out right here at TDT</a>. Through 6pm tonight.