In an effort to revive their brand image and win back market share from Coke, Pepsi is launching a new, hip partnership with Twitter. Today Pepsi revealed the details: free downloadable songs and live-streaming music concerts. Pepsi followers will be able to play D.J. by suggesting set lists and will hopefully guzzle more Pepsi while they do it.

Natalie Zmuda is a reporter with Advertising Age and oversees beverage marketing. She tells us what Pepsi hopes to gain from the partnership which is the largest Twitter marketing campaign to date.