* Pop event draws eclectic crowd * Unlike last time, star able to plug in (Adds name of local disc jockey) By Alina Selyukh WASHINGTON, Jan 20 (Reuters) - All across Washington this weekend, the wealthy, the politically connected and the curious are putting on tuxedos and ball gowns and crowding into fancy galas to celebrate President Barack Obama's second inauguration. This was not one of those parties.