James Murphy, the driving force behind LCD System is to be joined by drummer Pat Mahoney for an LCD Soundsystem disco set at Sonar 2009.
The Barcelona bash has extended its line-up further by adding techno DJ Carl Craig, American Hip-hop producers Bomb Squad and Australian electronic wizard Ben Frost.
Jeff Mills, Luomo and Omar Souleyman complete the latest bout of acts for the Spanish festival.
Grace Jones, Orbital and Late of The Pier have already been confirmed to play this year.
Click here to see the latest Sonar line-up.
Sonar 2009 will take place at Sonar, Barcelona in Spain from 18-20 June.
Tickets are already on sale priced at €125 for a three-day pass.
Click here to buy tickets for Sonar 2009
During the day there is over 300 activities including concerts, films, installations and DJ sets before the event morphs into a Mediterranean Mecca for clubbers with a selection of DJs, VJs and shows that explore all of dance music's connotations across four simultaneous stages.