The superstar rapper will take the stage at the Polish event on June 30 next year.
Thom Yorke, Calvin Harris, Run the Jewels and many more are also tapped for annual California festival.
The much-acclaimed star influenced everyone from David Bowie to Marc Almond and Jarvis Cocker.
The five Best Original Song nominees will be announced along with the rest of the Oscar nominees on 22 January.
Almost 25 years in the making, the new record started as an experimental project in the mid ‘90s, aiming to be a synthesis of all Mackay’s varied influences.
Mo'Wax has released influential titles by DJ Shadow and Lavelle's own much-acclaimed UNKLE project.
Radiohead’s art-rock opus OK Computer created a generation with a deep cynical streak and a healthy sense of paranoia and we’re forever thankful for it