▁their ▁attempts ▁at ▁commercial ▁music ▁were ▁na ï ve ▁and ▁called ▁their ▁approach ▁" the ▁Dou an ier ▁R ous seau ▁sound ", ▁after ▁the ▁self - t aught ▁French ▁artist . ▁But ▁Pol yd or ▁did ▁not ▁like ▁the ▁direction ▁S la pp ▁Happy ▁were ▁taking ▁and ▁rejected ▁the ▁album . ▁ ▁England ▁In ▁early ▁ 1 9 7 3 , ▁S la pp ▁Happy ▁left ▁Germany ▁for ▁England . ▁Henry ▁Cow , ▁who ▁had ▁recently ▁signed ▁a ▁record ▁deal ▁with ▁the ▁then ▁emer ging ▁Virgin ▁Records , ▁heard ▁a ▁c ass ette ▁t ape ▁of ▁the ▁tri o ' s ▁rejected ▁second ▁album , ▁and ▁were ▁im pressed ▁and ▁recommended ▁that ▁Virgin ▁sign ▁them . ▁The ▁record ▁label , ▁however , ▁was ▁concerned ▁about ▁how ▁re cept ive ▁English ▁aud ien ces ▁would ▁be ▁to ▁Kra use ' s ▁German ▁acc ent . ▁But ▁after ▁several ▁other ▁mus icians ▁and ▁critics ▁advoc ated ▁them , ▁including ▁Robert ▁Wy att ▁and ▁Ian ▁Mac Donald ▁in ▁New ▁Musical ▁Express , ▁Virgin ▁added ▁S la pp ▁Happy ▁to ▁their ▁ro ster ▁later ▁in ▁ 1 9 7 3 . ▁▁ ▁So on ▁after ▁signing , ▁S la pp ▁Happy ▁went ▁to ▁Virgin ' s ▁Man or ▁Studios ▁in ▁Oxford shire ▁in ▁early ▁ 1 9 7 4 ▁to ▁re - record ▁Cas ab lan ca ▁Moon . ▁B leg v ad ▁said ▁Virgin ▁felt ▁that ▁their ▁un re leased ▁second ▁album ▁was ▁" a ▁good ▁demo , ▁but ▁too ▁cru de ▁for ▁radio ,