The album opens with the shimmering guitar lines of My Book Of Regrets & the upbeat Happiness III followed by the eerie instrumentals of Year Of The Plague & Sunday Rain Sets In. Later, the record throws back to heavier moments of Steven Wilson & recalling Porcupine Tree on the distortion led Vermillioncore before rounding up with the introspective reimagining of Dont Hate Me. A track that is a re-interpretation of the Porcupine Tree classic with Ninet Tayeb who featured on ‘Hand. Cannot. Erase.’ & 2018s To The Bone.Produced & mixed by Steven Wilson, 4 features a stellar group of musicians contributing to the LP which include Adam Holzman (keyboards), Nick Beggs (bass), Guthrie Govan (guitar), Dave Kilminster (guitar), Marco Minnemann (drums), Chad Wackerman (drums), Craig Blundell (drums) & Theo Travis.The artwork features photography by long-time collaborator Lasse Hoile & designed by Carl Glover.Porcupine Trees most recent album CLOSURE // CONTINUATION debuted at #2 in the Official Album Charts & #1 in Netherlands & Switzerland Album Charts.The album is available on digipack with 8-page booklet.