FILE - In a Dec. 1 2004 file photo, David Cassidy, left, and Danny Bonaduce, who played brothers on "The Partridge Family," joke on stage before presenting the award at the annual Family Television Awards in Beverly Hills, Calif. Cassidy and Bonaduce played on a song onstage together at the Resorts Casino Hotel in Atlatic City Saturday, April 9, 2011. They say it was only the second time in 40 years they've done so. (AP Photo/Danny Moloshok, File)

Photo by: DANNY MOLOSHOK

FILE - In a Dec. 1 2004 file photo, David Cassidy, left, and Danny Bonaduce, who played brothers on "The Partridge Family," joke on stage before presenting the award at the annual Family Television Awards in Beverly Hills, Calif. Cassidy and Bonaduce played on a song onstage together at the Resorts Casino Hotel in Atlatic City Saturday, April 9, 2011. They say it was only the second time in 40 years they've done so. (AP Photo/Danny Moloshok, File)