Gotye Thursday, April 19, at 8 p.m. Nokia Theatre Who would have thought that a Belgian-born, Australian-bred indie-rock singer would hit No. 1 on the Billboard Hot 100? Gotye’s smash-hit single “Somebody That I Used to Know” is practically inescapable these days, and for good reason — the jangly, mournful tune flaunts a brilliantly catchy […]