Apple's iTunes Radio will debut in September with a number of brand partners including McDonald's, Nissan, Pepsi, and Procter & Gamble, reports AdAge. Under the terms of the deal, Apple's launch partners will get exclusive ads within their industries through the end of 2013.The deals range from the high single-digit millions of dollars to tens of millions of dollars and include a 12 month advertising campaign to run within the streaming music service for each of the participating brands.First introduced at WWDC, iTunes Radio is Appleās upcoming Internet radio service that functions similarly to Pandora, offering up personalized radio stations based on artist or song selections.