According to StephenKing.com (the official site): Stephen joined World Series Champion Boston Red Sox pitcher Bronson Arroyo on Bronson's album "Covering The Bases". The album, which includes various cover songs, was released on July 12. The album features many of the top musicians in music, including Kenny Aronoff (John Mellencamp), Leland Sklar (Phil Collins) and Mike Inez (Alice In Chains).
The album also features Red Sox players Johnny Damon, Kevin Youkilis and Lenny DiNardo, along with Red Sox General Manager Theo Epstein.
Stephen contributed additional lyrics and spoken word on the fourth track "Everlong". Check out Bronson's album at http://www.bronsonarroyo.com