Per Ny Times article:

"Daft Punk will not be making surprise visit to Coachella this year or the next as they have reportedly died in a fatal tour bus crash earlier this evening in a remote town in europe. Fans on twitter have been clamoring over the loss. Craigslist and Ebay have been flooded with tickets from fans who were looking forward to a surprise set with Phoenix what most call worst headliner since the Killers and Arcade Fire for a festival the size of Coachella.

RIP Coachella threads about Daft Punk playing ever