If you've watched Adult Swim over the years, you may have heard Boards of Canada. They've used their music in their bumps from time to time. Bumpworthy.com will verify this.
They've been leaving clues around BBC radio and NPR and Youtube since Record Store Day last week. I think it's something to do with a new album coming out this year.
This goes into more detail: Boards Of Canada Distribute NEW Vinyl Releases Out For National Record Store Day | 2020k