Broadway Vet Constantine Maroulis Unleashes an 'Unchained Melody' on American Idol

New dad Constantine Maroulis took a break from rocking across America in the national tour of Rock of Ages on April 7 to swing by his old stomping grounds at American Idol. The lineup of judges may have changed since Maroulis was a contestant on season four of the popular series, but the Tony nominee and former Broadway.com Star of the Year looked right at home as he performed his new single, a cover of The Righteous Brother's "Unchained Melody." Click below to watch Maroulis tackle the 1955 classic and catch him on the road in Rock of Ages!