The organizers of Hampdenfest, last year's Best Close Call, posted some of the first details today about this year's festival, set for Saturday, Sept. 19. Musical performers include Blackwolf Beach, Canker Blossom, the unrelated Ginger Blossoms, The Idle Gossip, and Wet Brain, which was featured in City Paper's Big Music Issue last year. You can see the full list of announced bands here. Puppeteer and illustrator Kevin Sherry, who City Paper profiled earlier this year, will be hosting the kids tent again this year.There is a &quot;special guest&quot; still to be announced. Whoever it is will have a hard time topping Future Island's performance at Hampdenfest last year.The toilet races, of course, will be back this year.