▁J eth ro ▁T ull , ▁the ▁Who , ▁T aj ▁Mah al , ▁Marian ne ▁Fa ith full , ▁and ▁the ▁Rol ling ▁St ones . ▁John ▁L enn on ▁and ▁his ▁f iance e ▁Y oko ▁O no ▁also ▁performed ▁as ▁part ▁of ▁a ▁one - shot ▁super group ▁called ▁the ▁D irty ▁Mac , ▁featuring ▁Eric ▁Cla pton , ▁Mitch ▁Mitchell , ▁and ▁Keith ▁Rich ards . ▁ ▁The ▁original ▁idea ▁for ▁the ▁concert ▁was ▁going ▁to ▁include ▁the ▁Small ▁F aces , ▁the ▁Rol ling ▁St ones , ▁and ▁the ▁Who , ▁and ▁the ▁concept ▁of ▁a ▁circ us ▁was ▁first ▁thought ▁up ▁between ▁M ick ▁J agger , ▁P ete ▁Town sh end ▁and ▁Ron nie ▁Lane . ▁It ▁was ▁meant ▁to ▁be ▁a ired ▁on ▁the ▁BBC , ▁but ▁instead ▁the ▁Rol ling ▁St ones ▁with h eld ▁it . ▁The ▁Rol ling ▁St ones ▁cont ended ▁they ▁did ▁so ▁because ▁of ▁their ▁sub standard ▁performance , ▁clearly ▁exha usted ▁after ▁ 1 5 ▁hours ▁( and ▁some ▁indul gence ▁in ▁dru gs ). ▁There ▁is ▁also ▁the ▁fact ▁that ▁this ▁was ▁Brian ▁Jones ' ▁last ▁appearance ▁with ▁the ▁Rol ling ▁St ones ; ▁he ▁d rown ed ▁some ▁seven ▁months ▁later ▁while ▁the ▁film ▁was ▁being ▁edited . ▁Some ▁spec ulate ▁that ▁another ▁reason ▁for ▁not ▁re le asing ▁the ▁film ▁was ▁that ▁the ▁Who , ▁who ▁were ▁fresh ▁off ▁a ▁concert ▁tour , ▁seem ingly ▁up st aged ▁the ▁St ones ▁on ▁their ▁own ▁production