Green Day is an American punk rock band from Berkeley, California>. Formed in 1987, the band is originally composed of singer and guitarist Billie Joe Armstrong and bassist Mike Dirnt, joined in 1988 by John Kiffmeyer replaced from 1992 by Tré Cool.
In the beginning, the group was part of the local punk scene of the city of Berkeley. Their first two albums, released on the independent label Lookout !, allowed them to build a good base of fans, but they will be some of them back when they signed with a major label, Reprise Records, in 1993. They publish in 1994 the album Dookie, which will be a huge success, with to date 10 million copies sold in the United States and 15 million worldwide. The group is recognized, with Californian bands The Offspring and Rancid, as being responsible for the return of punk rock on the popular scene in the United States.
The following albums, Insomniac, Nimrod and Warning:, published between 1995 and 2000, do not get Dookie's mass success, but will still sell relatively well. In 2004, the group released the album American Idiot, an opera-punk that achieved a huge popular success> with again 15 million albums sold, including 6.5 million in the United States alone, popularizing the group with of a new generation. Then, in May 2009, the album 21st Century Breakdown, a new rock opera described by members of the band as even more ambitious than American Idiot who also obtains a great success thanks to singles like 21 Guns, but will not equal not his predecessor with sales estimated at five million copies for this opus. In 2012, the band released a triple album project called ¡Uno !, ¡Dos! and ¡Tré !, which will be a half-failure with "only" two million copies sold (all albums combined).
Some of the band's best-known songs include Longview, Basket Case, When I Come Around, Good Riddance, Brain Stew, Minority, Warning, American Idiot, Boulevard of Broken Dreams, Holiday, Wake Me Up When September Ends, Know Your Enemy, and 21 Guns.