▁that ▁era . ▁The ▁B - side , ▁" Launch ing ▁Place ▁Part ▁Two " ▁was ▁written ▁to ▁promote ▁a ▁music ▁festival . ▁They ▁released ▁their ▁debut ▁LP ▁Spect rum ▁Part ▁One ▁in ▁March ▁ 1 9 7 1 ▁but ▁Rud d ▁would ▁not ▁allow ▁their ▁hit ▁single ▁to ▁appear ▁on ▁the ▁album . ▁Dr um mer ▁Kennedy ▁left ▁just ▁after ▁it ▁was ▁recorded ▁and ▁was ▁replaced ▁by ▁Ray ▁Ar not t ▁( ex - Cam - P act , ▁Company ▁Ca ine ). ▁ ▁Ross ▁Wilson , ▁vocal ist ▁and ▁guitar ist , ▁had ▁been ▁a ▁found ing ▁member ▁of ▁The ▁Party ▁Machine ▁with ▁Rud d , ▁they ▁were ▁later ▁both ▁members ▁of ▁S ons ▁of ▁the ▁Veg etal ▁Mother , ▁Wilson ▁formed ▁D addy ▁C ool ▁as ▁a ▁side - project ▁while ▁Rud d ▁went ▁on ▁to ▁form ▁Spect rum . ▁During ▁their ▁time ▁in ▁' V eg et als ' ▁Rud d ▁had ▁started ▁working ▁on ▁" I ' ll ▁Be ▁G one " ▁and ▁Wilson ▁approved ▁of ▁the ▁song , ▁" That ' s ▁it , ▁that ' s ▁the ▁one ". ▁D addy ▁C ool ▁and ▁Spect rum ▁often ▁tou red ▁together ▁in ▁their ▁early ▁years . ▁Rud d ▁described ▁the ▁development ▁of ▁the ▁song : ▁ ▁Although ▁recorded ▁in ▁August ▁ 1 9 7 0 ▁the ▁song ▁was ▁not ▁released ▁until ▁January ▁ 1 9 7 1 ▁due ▁to ▁the ▁ 1 9 7 0 ▁radio ▁ban , ▁which ▁was ▁a ▁dispute ▁between ▁radio ▁stations ▁and ▁major