Frankie Valli Lines Up First Album Since 1992.... Singer Frankie Valli is on the comeback trail at the age of 73 - the veteran star is releasing his first album in 15 years.The Grease crooner performs 13 covers on Romancing The '60s, his first disc since working with his longtime backing band The Four Seasons on 1992's Hope + Glory.Valli is currently enjoying a new surge of interest in his work. It was recently announced that Tony Award-winning musical Jersey Boys, which is based on his career with The Four Seasons, is moving from Broadway, New York to the new Palazzo Resort Hotel Casino in Las Vegas in 2008.