▁bass . ▁It ▁is ▁followed ▁by ▁the ▁re app earance ▁of ▁the ▁secondary ▁first ▁subject ▁theme ▁from ▁the ▁first ▁movement . ▁The ▁second ▁subject ▁idea ▁B ax ▁described ▁as ▁' fre ak ish , ▁almost ▁gro tes que .' ▁These ▁are ▁now ▁worked ▁extens ively , ▁with ▁the ▁opening ▁theme ▁in ▁ch ords ▁returning ▁at ▁one ▁point ▁as ▁( B ax ▁put ▁it ) ▁to ▁' what ▁corresponds ▁roughly ▁to ▁a ▁tri o ▁section .' ▁The ▁music ▁comes ▁to ▁a ▁clim ax ▁with ▁the ▁kind ▁of ▁tri um phal ▁march ▁on ▁a ▁new ▁version ▁of ▁the ▁opening ▁theme . ▁' This ▁pers ists ,' ▁B ax ▁said , ▁' to ▁the ▁end ▁with ▁ever ▁increasing ▁force ▁and ▁bread th ▁of ▁design .' " ▁ ▁Over view ▁Between ▁April ▁and ▁June ▁ 1 9 2 1 , ▁B ax ▁wrote ▁what ▁was ▁intended ▁to ▁be ▁his ▁Third ▁P iano ▁Son ata , ▁placing ▁that ▁title ▁at ▁the ▁head ▁of ▁the ▁manuscript . ▁B ax ▁subsequently ▁played ▁the ▁work , ▁which ▁For eman ▁called ▁in ▁the ▁New ▁Gro ve ▁" f ier c ely ▁new , ▁and ▁still ▁rom antic ▁in ▁imp ulse ," ▁for ▁pian ists ▁Arthur ▁Alexander ▁and ▁Har ri et ▁C ohen . ▁Alexander ▁had ▁premier ed ▁the ▁Second ▁P iano ▁S ont ata , ▁while ▁C ohen ▁had ▁champion ed ▁the ▁re vised ▁version ▁of ▁the ▁same ▁work . ▁C ohen ▁remembered ▁that ▁when ▁they ▁heard ▁this ▁new ▁piece , ▁both ▁pian ists ▁immediately ▁realized ▁that ▁what ▁B ax ▁had ▁written