SM Entertainment is debuting a new boy band, Riize, in September. The K-pop powerhouse on Monday announced the new group will be a seven-piece act that will carve out a new niche in emo-pop, an unconventional sound yet to be explored inside the K-pop scene. According to SM, the group's name compounds "rise" and "realize" to convey the group's ambition to rise up and realize its dreams. C...