Oasis was an English rock band formed in Manchester in the early 1990s, associated with the Britpop movement and broader alternative rock tradition. Led by brothers Noel and Liam Gallagher, the group's lineup and personnel changed over time, but their sound was characterized by melodic, guitar-driven songs, prominent use of jangly and distorted electric guitars, singalong choruses, and a blend of rock and pop songwriting influenced by 1960s and 1970s British rock. Oasis achieved major commercial success and mainstream recognition through the 1990s and into the 2000s, noted for concise, anthemic compositions, direct lyrical phrasing, and a working-class sensibility in image and presentation.