[youtube]http://www.youtube.com/watch?v=L_oTTwxAbkw[/youtube] On his website, Americana singer Creede Williams offers two possible bios, which suggests the wry sense of humor and intelligence behind his music. He performs tonight at the Ogden Museum of Southern Art at 6 p.m. as part of its “Ogden After Hours” series. OffBeat editor Alex Rawls will also interview Williams as part of the show.