Green Day's second studio album was recorded in May and September of 1991 at Art of Ears Studio in San Francisco, CA, USA. The album was produced by Andy Ernst and Green Day, and released by Lookout! Records on Janaury 17, 1992. The album was later re-mastered and re-released on Reprise Records and Epitaph Europe on January 9, 2007. As of 2010 it has sold over 750,000 copies in the USA, and over 1 million worldwide.
