And this week, the band revealed an extensive music, cinema, radio and party programme set to run from July 6 through to July 11.
On July 11, Jamie xx will perform in front of the iconic Guggenheim Museum in the city for a night of fun-filled electronic music featuring the likes of Peggy Gou, Honey Dijon, Jayda G, Joy Orbison b2b Jon Rust, Lorenzo Senni and more.
Alongside the slew of newly announced artists, a lengthy cinema programme set to take place a former 17th century church was also confirmed, as well as daily Night + Day Radio broadcasts during the week-long celebration.
The xx will also perform at Bilbao BBK Live, joining international stars such as The Chemical Brothers, Childish Gambino, Gorillaz, Bad Gyal and more on the bill.
Jasmine Kent-Smith is Mixmag's Weekend Editor. Follow her on Twitter