You can win one of four prize packs featuring fantastic his and hers limited edition Gap Jimi Hendrix T-shirts, as well as the guitarist's brand new 'People, Hell and Angels' album on both CD and vinyl.

Together with our buddies at Diffuser.fm, we're offering these great shirts, which were designed by the Gap in celebration of the legendary rock musician's 70th birthday. Available in grey or white, each shirt features Hendrix as pictured on the cover of 'People, Hell and Angels.' You can buy them -- remember, for a limited time only -- online at Gap.com right now, and they'll be available in stores starting March 15.

'People, Hell and Angels' is comprised of 12 previously unreleased studio recordings that showcase Hendrix pushing the boundaries of his already expansive sound in exciting new ways while working on the follow-up to his final studio album, 'Electric Ladyland.'

For your chance to win, just retweet the contest announcement — you can get there via the big button below — and follow @diffuserfm and @ultclassicrock on Twitter. The contest runs through Tuesday, March 12, at 11:59PM ET. After that, we’ll pick four lucky winners, and yes, you can pick the T-shirt sizes you want. Click here for a full list of rules. Good luck!