Supercollider and The Butcher were made available on limited-edition vinyl for Record Store Day on Saturday (April 16) but can now be downloaded for free.

In an email that opens with "thank you" in 27 languages, the band state that the tracks are being given away to reward fans for their support.

The email says, "This is not part of a new loyalty points scheme, a Radiohead clubcard or even an air miles redeemable reward type thing... It is just ...