(Other coverage of River Roots Live 2011 can be found here.)

Nikka CostaFor the video promo for her song "Chase the Thrill," Nikka Costa said she and the director "just got in my bathroom and went for it."

Lest you think that something dirty happened, "went for it" in this case means re-creating the famous shower scene from Psycho, with Costa in the role of Marion Crane.

Also on her "Nikka's Box" YouTube channel (YouTube.com/user/nikkasbox) is a Rocky-style training video and "Streaking Nikka," in which the topless rock/soul singer (naughty bits obscured) encourages viewers to check out her new EP Pro*Whoa. "What's a girl gotta do to get her music heard?" she asks.

Such is the existence of Costa, who will close River Roots Live with an 11 p.m. set on August 20. She is now operating independently after a successful music career as a child (she is the daughter of producer Don Costa) and well-reviewed albums as an adult on Virgin and Stax. (Entertainment Weekly called 2001's Everybody Got Their Something an "intoxicating starburst of self-affirming R&B" and "an audacious, fresh-as-a-daisy debut," while the All Music Guide said its follow-up features songs that are "muscular, funky, and imaginatively arranged ... .This is big, dynamic music that cries for a big audience ... .")