, ▁the ▁lead ▁vocals ▁and ▁background ▁vocals ▁were ▁actually ▁performed ▁by ▁Mar tha ▁W ash , ▁with ▁additional ▁background ▁vocals ▁by ▁S edu ction . ▁ ▁Background ▁In ▁ 1 9 8 9 , ▁W ash ▁recorded ▁a ▁song ▁"( You ' re ▁My ▁One ▁and ▁Only ) ▁True ▁Love " ▁as ▁a ▁demo , ▁produced ▁by ▁David ▁Cole ▁who ▁would ▁later ▁form ▁the ▁C + C ▁Music ▁Factory . ▁Cole ▁later ▁gave ▁the ▁song ▁to ▁then - up coming ▁female ▁group ▁S edu ction . ▁The ▁song ▁appeared ▁on ▁S edu ction ' s ▁debut ▁album ▁Nothing ▁Mat ters ▁Without ▁Love , ▁released ▁in ▁September ▁ 1 9 8 9 , ▁retain ing ▁the ▁use ▁of ▁W ash ' s ▁lead ▁vocals ▁and ▁added ▁S edu ction ' s ▁background ▁vocals ▁to ▁the ▁song . ▁In ▁addition , ▁she ▁was ▁only ▁cred ited ▁for ▁her ▁background ▁vocals ▁and ▁Cole ▁rem ixed ▁and ▁alter ed ▁W ash ' s ▁lead ▁vocals ▁of ▁the ▁song ▁to ▁make ▁her ▁voice ▁less ▁recogn izable ▁on ▁the ▁song . ▁ ▁"( You ' re ▁My ▁One ▁and ▁Only ) ▁True ▁Love " ▁was ▁released ▁as ▁S edu ction ' s ▁second ▁single ▁in ▁July ▁ 1 9 8 9 . ▁The ▁single ▁became ▁an ▁unexpected ▁success ▁when ▁it ▁pe aked ▁at ▁number ▁twenty - three ▁on ▁the ▁Billboard ▁Hot ▁ 1 0 0 ▁chart ▁and ▁number ▁three ▁on ▁the ▁Dance ▁chart . ▁W ash ▁would ▁eventually ▁file ▁a ▁law suit ▁against ▁the ▁produ cers ▁and ▁A &