DOUBLE DUTY: Veteran Grammy producer Ken Ehrlich will return for this year’s Emmy telecast on CBS. Ehrlich, who has served as Emmys executive producer  five times, hadn't worked the telecast since 2008. Ehrlich’s resume also includes the Blockbuster Awards, the Alma Awards, the Latin Grammys, the European MTV Awards and the MTV Movie Awards, which he created in 1992. He has six Emmy nominations. The 2013 Primetime Emmy Awards are set for Sept. 22 at L.A.’s Nokia Theatre. In lieu of payment, he gets to sniff under the doors at Universal Music Publishing.  (5/6a)