“Lukey’s Brain” is a short electronic instrumental with Mellotron chords and a driving rhythm. The song debuted at the start of an unannounced live stream on September 2nd, 2020 where the band played a variety of demos and unreleased material. It wouldn’t be made available officially until the release of Demos Vol. 6: Music To Burn Money To on August 31st, 2023.

“Lukey’s Brain” has not been played live.