UK CD + Blu-ray pressing. Digitally remixed, remastered and expanded 40th Anniversary edition of the Prog band's 1974 album. RELAYER has been mixed for 5.1 Surround Sound from the original studio masters by Steven Wilson (Porcupine Tree) and is fully approved by Yes. The CD features a completely new stereo album mix by Steven Wilson plus the two promo singles edits taken from the album. Blu-ray features a new album mix in 5.1 LPCM Surround Sound and in DTS-HD MA 5.1 (24 bit/96 khz), new High Resolution Stereo mixes (24 bit/96 khz), the original album mix in High Resolution stereo (24 bit/192 khz), a complete alternate album running order drawn from demos and studio run-throughs, additional demo/studio run-throughs, full album instrumental mixes, a full album needle-drop of an original UK A1/B1 vinyl pressing, singles edits, live tracks and needle-drops of the banded tracks from the original US vinyl promo album. Original artwork expanded, restored and approved by Roger Dean. Presented as a double digipak format in a slipcase with new sleeve notes by writer Sid Smith.