By Brandy McDonnellJohn Legend, who last weekend earned coveted EGOT status after winning an Emmy Award as a producer for “Jesus Christ Superstar Live in Concert,” will serve as a coach on the upcoming spring cycle of NBC’s four-time Emmy-winning musical competition series “The Voice.” Legend will be joined by returning music superstar coaches Kelly Clarkson, Adam Levine and Oklahoma native Blake Shelton, along with host Carson Daly, according to a news release.“I’m thrilled to join the coaches of ‘The Voice.’ I've been a guest and mentor on the show multiple times and I’m so excited to discover talented singers and help them make the most of their gift.Read more on NewsOK.com