Romeo is the "Official Vocal Coach" and Casting Vocal Consultant on NBC's The Voice Season's 1-4. The Voice began airing on April 26, 2011, as a spring TV season program. The show proved to be a hit for NBC and was subsequently expanded into the fall cycle when season three premiered on September 10, 2012. The series employs a panel of four coaches who critique the artists' performances. Each coach guides their teams of selected artists through the remainder of the season. They also compete to ensure that their act wins the competition, thus making them the winning coach. The original coaching panel consisted of Adam Levine, Blake Shelton, Christina Aguilera and CeeLo Green.