The Black Keys, Alt-J, Caribou and loads more acts have been added to the lineup for Primavera Sound 2015, Gigwise reports.

Announced last night (21 January) through the festival's official app, over 50 acts have now joined the lineup for the Barcelona event, from stadium filling bands to fresh new talent.

The Black Keys, Sleater Kinney, Interpol, Alt-J, James Blake and Jon Hopkins are among the larger names on the lineup, with the likes of Damien Rice, Jose Gonzalez, Tyler The Creator and Mac DeMarco also set to play.

Caribou, Panda Bear and Underworld will make welcome additions for fans of electronic music, whilst Julian Casablancas and Albert Hammond JR will also be performing sets with their respective solo outfits, as well as headlining with The Strokes.

Primavera Sound takes place between 28-30 May in Barcelona.