Want to make that the latest piece of either your "Rock Band" arsenal or your Green Day memorabilia collection (or both)? All you need to do is take on the following challenge: What makes Green Day rock? Be imaginative, be creative, be passionate and be convincing.
All you need to do is think about why Green Day rock, then record a 30-second answer on video. Head on over to Your.MTV.com to upload your entry, and MTV News will select the best clip. The most creative, inventive and insightful video will be declared the winner and get to take home the "Rock Band" guitar above signed by Billie Joe Armstrong, Tré Cool and Mike Dirnt. (Full contest rules are below.)
So tell us why Green Day rock, and win yourself the autographed "Rock Band" guitar. Get your video uploaded to Your.MTV.com by 11:59 p.m. on Thursday, June 10. Get rocking!