Michael Buble And Blake Shelton Together in The Voice NBC said it will add a new celebrity in search event singers The Voice. NBC called Michael Buble will perform as an advisor to the singers who were trained by Blake Shelton at The Voice is back on air in September. Buble who purport to be a fan of Shelton said he really enjoyed working with Shelton and singers who lead. NBC has not announced who appeared as counsel for the three other coaches, Christina Aguilera, CeeLo Green, and Adam Levine. Last season, Kelly Clarkson, Jewel, and Baby Face appeared as counsel. The Voice will be performing in his third season on 10 September. Television network NBC reported on Monday (9/7), if singer Michael Buble will join in the singing talent show “The Voice”, and will act as a vocal coach who will provide input to the team led by Blake Shelton.