▁art work , ▁Th org erson ▁remembered : ▁" I ▁think ▁the ▁cow ▁represents , ▁in ▁terms ▁of ▁the ▁P ink ▁F loyd , ▁part ▁of ▁their ▁hum our , ▁which ▁I ▁think ▁is ▁often ▁under est im ated ▁or ▁just ▁un written ▁about ." ▁ ▁In ▁the ▁mid - 1 9 7 0 s , ▁a ▁boot leg ▁containing ▁rare ▁singles ▁and ▁B - s ides ▁entitled ▁The ▁Dark ▁Side ▁of ▁the ▁M oo ▁appeared , ▁with ▁a ▁similar ▁cover . ▁Like ▁At om ▁Heart ▁Mother , ▁the ▁cover ▁had ▁no ▁writing ▁on ▁it , ▁although ▁in ▁this ▁case ▁it ▁was ▁to ▁protect ▁the ▁boot leg ger ' s ▁an onym ity ▁rather ▁than ▁any ▁art istic ▁statement . ▁The ▁album ▁cover ▁for ▁the ▁K L F ' s ▁concept ▁album ▁Ch ill ▁Out ▁was ▁also ▁inspired ▁by ▁At om ▁Heart ▁Mother . ▁ ▁Release ▁and ▁reception ▁ ▁At om ▁Heart ▁Mother ▁was ▁released ▁on ▁ 2 ▁October ▁ 1 9 7 0 ▁in ▁the ▁UK ▁and ▁ 1 0 ▁October ▁in ▁the ▁US . ▁It ▁reached ▁number ▁ 1 ▁and ▁number ▁ 5 5 , ▁respectively ▁in ▁those ▁countries ' ▁charts . ▁It ▁was ▁released ▁in ▁the ▁quad raph onic ▁format ▁in ▁the ▁UK , ▁Germany ▁and ▁Australia . ▁A ▁rem aster ed ▁CD ▁was ▁released ▁in ▁ 1 9 9 4 ▁in ▁the ▁UK ▁and ▁the ▁US . ▁Mobile ▁F idel ity ▁Sound ▁Lab ▁released ▁a ▁ 2 4 K T ▁gold ▁CD ▁in ▁the ▁US ▁in ▁ 1 9