nings . ▁During ▁sessions ▁for ▁Play ▁It ▁L oud , ▁the ▁band ▁revis ited ▁the ▁song , ▁with ▁drum mer ▁Don ▁Pow ell ▁writing ▁the ▁lyr ics . ▁In ▁his ▁ 2 0 1 3 ▁bi ography , ▁Pow ell ▁re called : ▁"" K now ▁Who ▁You ▁Are " ▁is ▁the ▁same ▁as ▁our ▁old ▁instrument al ▁" Gen esis ", ▁so ▁N od ▁and ▁Dave ▁are ▁cred ited ▁for ▁that ▁one ▁as ▁well ▁as ▁Jim ▁and ▁myself . ▁I ▁wrote ▁the ▁lyr ics ▁for ▁it ▁and ▁some ▁of ▁them ▁are ▁about ▁Dave . ▁I ▁don ' t ▁know ▁how ▁it ▁came ▁about , ▁but ▁the ▁first ▁line ▁that ▁I ▁came ▁up ▁with ▁was ▁" H , ▁old ▁b abe , ▁sing ▁a ▁song ▁to ▁make ▁out ▁that ▁your ▁playing ▁is ▁easy ." " ▁ ▁Release ▁" K now ▁Who ▁You ▁Are " ▁was ▁released ▁on ▁ 7 " ▁vin yl ▁by ▁Pol yd or ▁Records ▁in ▁the ▁UK ▁only . ▁The ▁B - side , ▁" D apple ▁Rose ", ▁was ▁written ▁by ▁Le a ▁and ▁Pow ell . ▁Also ▁included ▁on ▁Play ▁It ▁L oud , ▁Pow ell ▁re called ▁of ▁his ▁lyr ics ▁in ▁a ▁ 2 0 0 9 ▁fan ▁forum ▁interview : ▁" I ' ve ▁always ▁had ▁a ▁fond ness ▁for ▁horses ▁and ▁where ▁I ▁lived ▁with ▁my ▁parents ▁there ▁were ▁some ▁fields ▁over ▁the ▁back ▁and ▁there ▁were ▁always ▁gy ps ies ▁camp ing ▁there . ▁They ▁used ▁to ▁have ▁these ▁horses ▁and ▁don keys