Green Day is an American rock band formed in Berkeley, California, in 1987 by vocalist and guitarist Billie Joe Armstrong, bassist Mike Dirnt, and drummer Tré Cool. Widely credited with bringing punk rock into the mainstream during the 1990s, the band became known for its energetic sound, catchy melodies, and socially conscious songwriting. Their blend of punk attitude and accessible songwriting has made them one of the most successful and influential rock bands of their generation.
The band's breakthrough album, Dookie, became a defining release of the 1990s and launched a series of successful records, including Insomniac, American Idiot, 21st Century Breakdown, and Saviors. Green Day's catalog features iconic songs such as "Basket Case," "When I Come Around," "Good Riddance (Time of Your Life)," "Boulevard of Broken Dreams," and "American Idiot." Their music often explores themes of identity, social issues, personal struggles, and youthful rebellion, resonating with audiences around the world.
Over more than three decades, Green Day has earned numerous awards, sold millions of records worldwide, and maintained a powerful presence in rock music. Their ability to evolve while staying true to their punk roots has secured their legacy as one of the most important and enduring bands in modern rock history.