▁so ▁we ▁re - record ed ▁the ▁same ▁songs ▁with ▁sw isher ▁production ". ▁Session ▁mus icians ▁were ▁used , ▁under ▁the ▁direction ▁of ▁viol in ist ▁Graham ▁Pres k ett , ▁with ▁new ▁arrang ements ▁of ▁the ▁songs ▁by ▁Roger ▁W oot ton ▁of ▁Com us . ▁Virgin ▁released ▁the ▁album ▁as ▁S la pp ▁Happy ▁in ▁May ▁ 1 9 7 4 . ▁The ▁new ▁recording ▁attract ed ▁the ▁attention ▁of ▁the ▁press , ▁particularly ▁after ▁Wy att ▁end ors ed ▁it . ▁But ▁Henry ▁Cow ▁were ▁not ▁so ▁complement ary . ▁B leg v ad ▁rem embers ▁them ▁saying , ▁" Well , ▁it ' s ▁OK , ▁the ▁songs ▁aren ' t ▁bad , ▁but ▁it ' s ▁really ▁a ▁missed ▁opportunity . ▁You ▁made ▁a ▁conventional ▁pop ▁record ▁and ▁you ▁could ▁have ▁done ▁something ▁more ." ▁▁ ▁It ▁was ▁not ▁until ▁ 1 9 8 0 ▁that ▁Re comm ended ▁Records ▁released ▁the ▁original ▁Cas ab lan ca ▁Moon ▁( with ▁Fa ust ) ▁as ▁Ac nal bas ac ▁No om ▁( the ▁words ▁of ▁the ▁original ▁title ▁written ▁backwards ). ▁Com parison ▁of ▁the ▁two ▁releases ▁revealed ▁two ▁very ▁different ▁musical ▁arrang ements . ▁Ac nal bas ac ▁No om ▁had ▁a ▁raw ▁and ▁uns oph istic ated ▁feel ▁about ▁it , ▁whereas ▁S la pp ▁Happy ▁t ended ▁to ▁be ▁more ▁sentiment al ▁with ▁more ▁complex ▁arrang ements , ▁including ▁a ▁string ▁or chestra . ▁ ▁In ▁June ▁ 1 9 7 4 , ▁there ▁were