Los Angeles-based SodaHead, the social polling startup headed by ex-MySpace VP Jason Feffer, said Tuesday that it has inked a major deal with the Family Values Tour. According to the firm, the music tour will use SodaHead's polling widget to engage with its fans. Financial terms of the deal were not disclosed. SodaHead offers an online service which allows anyone to ask questions and polls from other users, and network and interact with other users. The firm is venture backed by Mohr Davidow ventures and the Tech Coast Angels.