▁chose ▁the ▁opening ▁section ▁name , ▁" F ather ' s ▁Sh out " ▁after ▁Earl ▁" F ath a " ▁H ines , ▁while ▁other ▁names ▁such ▁as ▁" Bre ast ▁Mil ky " ▁and ▁" F unk y ▁D ung " ▁were ▁inspired ▁by ▁the ▁album ▁cover ▁art work . ▁The ▁orch est ral ▁arrang ements ▁feature ▁a ▁full ▁br ass ▁section , ▁a ▁c ello ▁and ▁the ▁ 1 6 - pie ce ▁John ▁Al ld is ▁cho ir , ▁which ▁take ▁most ▁of ▁the ▁lead ▁mel ody ▁lines , ▁while ▁P ink ▁F loyd ▁mainly ▁provide ▁the ▁backing ▁tracks ; ▁a ▁reverse ▁of ▁the ▁ 1 9 6 0 s ▁pop ▁music ▁practice ▁of ▁using ▁orch estr ation ▁as ▁the ▁background , ▁and ▁putting ▁the ▁rock ▁band ▁in ▁front . ▁ ▁Side ▁two ▁ ▁The ▁album ' s ▁concept ▁is ▁similar ▁to ▁their ▁previous ▁U mm ag um ma ▁album , ▁in ▁that ▁it ▁features ▁the ▁full ▁band ▁in ▁the ▁first ▁half , ▁and ▁focus es ▁on ▁individual ▁members ▁in ▁the ▁second ▁half . ▁Side ▁two ▁opens ▁with ▁three ▁five - min ute ▁songs : ▁one ▁by ▁each ▁of ▁the ▁band ' s ▁three ▁resident ▁song writ ers , ▁and ▁clos es ▁with ▁a ▁suite ▁with ▁sound ▁effects ▁primarily ▁conce ived ▁by ▁Mason , ▁but ▁cred ited ▁to ▁the ▁whole ▁group . ▁ ▁W aters ▁cont ributes ▁a ▁folk ▁ball ad ▁called ▁" If ", ▁playing ▁ac oust ic ▁guitar . ▁P ink ▁F loyd ▁rarely ▁played ▁the ▁song