Green Day frontman Billie Joe Armstrong has announced his his plans to open a guitar store with longtime collaborator, and Pinhead Gunpowder cohort, Bill Schneider. Named Broken Guitars, the store will open on April 3rd at 423, 40th St, Oakland, California. According to Schneider, the shop will open with around 75 guitars on display, with many culled from the collections of the proprietors. The store will also offer amplifiers and will have a technician on staff for repairs.