DCist goes to more than our share of indie rock shows in this fine town of ours, so when the chance came about to check out Nelly Furtado and her arena-type stage show, it was hard to say no. Furtado started out her career as a Jewel-like folkie but when that career path started down the road to obscurity, she jumped on a few hip-hop remixes and eventually landed Timbaland’s midas touch on her…