The xx is an English indie pop band formed in 2005 in London. The group consists of members Romy Madley Croft, Oliver Sim, and Jamie xx. They are known for their minimalist sound, which blends elements of dream pop, R&B, and electronic music, characterized by sparse arrangements, intimate lyrics, and a unique vocal interplay between Croft and Sim. Their self-titled debut album, released in 2009, received critical acclaim and won the Mercury Prize. Subsequent albums, including "Coexist" (2012) and "I See You" (2017), further established their reputation in the music industry, showcasing their evolving sound and experimentation with beats and production techniques. The xx's atmospheric style and emotional depth have made them influential figures in contemporary music.