This article has been imported from chorus.fm for discussion. All of the forum rules still apply. Green Day Authority has posted up an unreleased Green Day instrumental from the band’s documentary. This little surprise was hidden away in a bonus chapter on ¡Cuatro!, the band’s 2013 “rockumentary” movie that chronicled the recording process of the ¡Uno!, ¡Dos!, ¡Tré! trilogy albums. The song is unofficially titled “That Just Happened” after the scene that contained it. Expand - View Original