Local Internet sensation Kawehi is at the Bottleneck on Saturday
%{}% In March, Hawaiian-born artist Kawehi uploaded a pretty stellar cover of Nirvana’s “Heart-Shaped Box” to YouTube. In the video, she’s seated in her Lawrence home, in front of her synth pad, keyboard and looping tools with headphones on and a glass of red wine at the ready. It was supposed to be just a “practice run,” she said, mistakes…