(Reuters) – Comcast Corp's NBC Universal said on Monday it has signed a multi-year content and advertising deal with Snapchat to produce original shows for the messaging app. The first of these shows to premiere will be "The Voice on Snapchat", based on the reality singing show "The Voice", will debut on Aug. 22, NBC said in an emailed statement. E! Entertainment's E! News will debut a weekly series starting Sept. 8 that will also have original content for Snapchat, NBC said.