WUNC music reporter Brian Burns get to know the Raleigh-based musician LesTheGenius.

The Great Cover Up, which started in 1999, is an annual event in Raleigh that features an eclectic lineup of local musicians dressing up and performing cover sets of more famous artists — and audience members don't get any details about the lineup in advance. Now, it's the subject of a new documentary that premieres Thursday on PBS North Carolina.