 Timberlake and his production team The Y's, along with Mike Elizondo, produced and co-wrote the song "Don't Let Me Down" for Leona Lewis's second studio album, "Echo", released on November 17, 2009.Timberlake also co-wrote and performed on "Carry Out", the third single from Timbaland's album "Shock Value II", released on December 1, 2009.Timberlake appeared on Jimmy Fallon's debut as host of "Late Night with Jimmy Fallon" on March 2, 2009.