Green Day will release some demo recordings to mark Record Store Day 2014. A post on the Green Day Facebook page alerted fans that, “We are releasing 18 demos, including an unreleased track, from the Uno, Dos and Tres sessions, exclusively for @recordstoreday. It will come out on colored ‪#‎vinyl‬, ‪#‎CD‬ and even ‪#‎cassette‬”. UPDATE: