It comes alongside news of a North American tour.
The follow-up to 2019's 'U.F.O.F.' and 'Two Hands' albums will come in 2022.
It was recorded directly to 4-track during a three-day power outage.
They're the first new material from the group since 2019's 'Two Hands' album.
It includes a three-night stand at London's O2 Shepherd's Bush Empire next March.
It was shot in Columbus, OH in November 2019.
'Bills & Aches & Blues' sees current 4AD acts covering songs from across their back catalogue.
It's still a work in progress.