Hear 'Supercollider' and 'The Butcher' on NME.COM now
The tracks, which were released on limited-edition vinyl on Saturday (April 16), have been posted on the web and are available to listen to now.
Scroll down and click below to hear them.
The two songs are previously-unreleased, although the former has been played by the band live before. Up to 2,000 copies of the single were thought to have been pressed up for Record Store Day.