Rancid is an American punk rock band formed in Oakland, California in 1991, known for their energetic ska-punk sound and rebellious spirit that helped define the genre for a generation. Led by vocalist/guitarist Lars Frederiksen and bassist Matt Freeman, the band achieved mainstream success with their 1995 self-titled album and 1997's "Let's Go," becoming pioneers of the punk revival movement of the 1990s. With their distinctive style blending punk, ska, and reggae influences, Rancid continues to be influential figures in the punk rock community.