It’s one-half of a collaboration with Swami John Reis and is set to be released on Record Store Day.
Future Islands, Thundercat and Perfect Pussy have also donated to the fundraising effort.
The weekender will take place at the Pontins camp in Prestatyn, North Wales.
The two day London festival will also see performances from PJ Harvey, Yeasayer and Skepta.
The single marks the band’s first new material since 2015 album ‘II”.
Check out the new clip taken from one of our albums of the year.
They’re still coming the the UK for Mutations Festival later this month.
Released next year, the track forms one half of a new single.
The two-day event is taking place on 28th and 29th November and is based in various venues across Brighton.
The Canadian trio follow up their recent second album ‘II’ with headline shows this October and November.
The track is taken from the band’s new album ‘II’.
The record will drop on 3rd May via Sub Pop.
Spoiler alert: the latest track from ‘II’ is a doozy.