ork ' s ▁compos itions ▁were ▁considered ▁for ▁release ▁on ▁Bird s ; ▁however , ▁they ▁were ▁all ▁rejected ▁( for ▁reasons ▁unknown ). ▁As ide ▁from ▁playing ▁piano ▁on ▁" Day d ream ▁Bel ie ver ", ▁he ▁did ▁not ▁particip ate ▁in ▁the ▁making ▁of ▁the ▁record ▁at ▁all . ▁V eter an ▁Mon ke es ▁t unes m ith s ▁Boy ce ▁and ▁Hart ▁returned ▁to ▁the ▁fol d ▁to ▁contribute ▁the ▁psych ed el ic ▁" P . O . ▁Box ▁ 9 8 4 7 ", ▁as ▁well ▁as ▁a ▁new ▁version ▁of ▁" V aller i ." ▁ ▁The ▁rare ▁U . S . ▁mon o ▁album ▁( COM - 1 0 9 ) ▁was ▁released ▁in ▁a ▁limited ▁quantity , ▁as ▁mon o ▁albums ▁were ▁being ▁ph ased ▁out ▁by ▁ 1 9 6 8 , ▁and ▁has ▁become ▁a ▁highly ▁sought ▁item ▁for ▁its ▁unique ▁mix es ▁that ▁differ ▁from ▁the ▁common ▁s tere o ▁versions . ▁Mon o ▁copies ▁from ▁Australia , ▁India , ▁Israel , ▁Mexico ▁and ▁Puerto ▁Rico ▁are ▁known ▁to ▁have ▁the ▁same ▁mix ▁as ▁the ▁U . S . ▁There ▁may ▁be ▁others ▁as ▁well . ▁Most ▁countries ' ▁mon o ▁versions ▁— ▁including ▁the ▁UK ' s ▁— ▁feature ▁a ▁" fold - down " ▁mix ▁where ▁the ▁s tere o ▁channels ▁are ▁reduced ▁to ▁one ▁mon a ural ▁channel ▁( a ▁mon o ▁version ▁of ▁the ▁s tere o ▁mix ). ▁ ▁Art work ▁ ▁The ▁front ▁cover