Inkqubo Yokwahlula I-Duo yinkqubo yeemodyuli, ekwaziyo ukwenza uphawu lomzobo oluthatha iminyaka yee-1960s phakathi kwinkulungwane yanamhlanje. Iimodyuli ziqokelelwa ngokulula kwaye zichithwe ngamabhendi erubha, ngaphandle kwezixhobo, ezivumela umsebenzisi ukuba alungelelanise ubuhle ngokuthanda kwabo. Ukumodareyitha okumnyama nokumhlophe kukhumbula iingoma zejometri zesitayile senkulungwane ephakathi, ngelixa kwimibala ye-pastel itshintsha ibe yibhabhathane yeebhabhathane. I-Duo inokucwangciswa ngokulula njengesahluli segumbi, i-console, itafile esecaleni, ihlala idala ipateni eyahlukileyo etshintsha ngokwesitayile ngemibala eguqukayo.