▁any ▁photograph s ▁of ▁the ▁band ▁anywhere . ▁This ▁was ▁a ▁tr end ▁that ▁would ▁continue ▁on ▁subsequent ▁covers ▁throughout ▁the ▁ 1 9 7 0 s ▁and ▁beyond . ▁ ▁Although ▁it ▁was ▁commer cially ▁successful ▁on ▁release , ▁the ▁band , ▁particularly ▁W aters ▁and ▁David ▁Gil m our , ▁have ▁expressed ▁several ▁negative ▁opinions ▁of ▁the ▁album ▁in ▁more ▁recent ▁years . ▁Nevertheless , ▁it ▁remained ▁popular ▁enough ▁for ▁Gil m our ▁to ▁perform ▁the ▁title ▁track ▁with ▁Ge es in ▁in ▁ 2 0 0 8 . ▁ ▁Rec ording ▁ ▁P ink ▁F loyd ▁started ▁work ▁on ▁the ▁album ▁after ▁comple ting ▁their ▁contributions ▁to ▁the ▁sound track ▁for ▁the ▁film ▁Z ab ris kie ▁Point ▁in ▁Rome , ▁which ▁had ▁ended ▁somewhat ▁ac rim on iously . ▁They ▁head ed ▁back ▁to ▁London ▁in ▁early ▁ 1 9 7 0 ▁for ▁re he ars als . ▁A ▁number ▁of ▁out - t akes ▁from ▁the ▁Rome ▁sessions ▁were ▁used ▁to ▁assemble ▁new ▁material ▁during ▁these ▁re he ars als , ▁though ▁some ▁of ▁it , ▁such ▁as ▁" The ▁Vi ol ent ▁Se quence ", ▁later ▁to ▁become ▁" Us ▁and ▁Th em ", ▁would ▁not ▁be ▁used ▁for ▁some ▁time . ▁ ▁Side ▁one ▁The ▁title ▁track ▁to ▁At om ▁Heart ▁Mother ▁resulted ▁from ▁a ▁number ▁of ▁instrument al ▁figures ▁the ▁band ▁had ▁composed ▁during ▁these ▁re he ars als , ▁including ▁the ▁ch ord ▁pro gression ▁of ▁the ▁main ▁theme , ▁which ▁guitar ist ▁David