ue ▁to ▁an ▁Old ▁T une ] ▁and ▁won ▁the ▁prize ▁of ▁the ▁j ury . ▁This ▁success ▁marked ▁her ▁return ▁to ▁the ▁Cro at ian ▁music ▁scene ▁and ▁announced ▁the ▁beginning ▁of ▁her ▁solo ▁career . ▁ ▁At ▁the ▁beginning ▁of ▁the ▁ 1 9 7 0 s , ▁she ▁performed ▁at ▁various ▁festiv als ▁and ▁won ▁many ▁musical ▁awards . ▁In ▁ 1 9 7 1 , ▁at ▁the ▁Zag reb ▁Festival , ▁she ▁performed ▁the ▁song ▁by ▁K orn elij e ▁K ova č ▁" O t vor ila ▁sam ▁pro zor " ▁[ I ▁Open ed ▁the ▁Window ]. ▁In ▁the ▁same ▁year , ▁she ▁performed ▁the ▁song ▁" L jub av " ▁[ L ove ] ▁by ▁V oj kan ▁Bor is av l je vić ▁on ▁the ▁Bel grade ▁Spring ▁Festival ▁and ▁won ▁the ▁prize ▁as ▁a ▁debut ant . ▁During ▁ 1 9 7 2 , ▁she ▁tou red ▁throughout ▁the ▁Soviet ▁Union . ▁After ▁returning ▁to ▁Y ug oslav ia , ▁she ▁turned ▁to ▁rock ▁music ▁and ▁started ▁collabor ating ▁with ▁the ▁Zag reb ▁band ▁' N ir v ana '. ▁In ▁ 1 9 7 3 , ▁at ▁the ▁BO OM ▁Festival ▁in ▁L jub lj ana ▁they ▁performed ▁before ▁ 7 ▁thousand ▁people ▁the ▁song ▁" K lik ▁tem u ▁bro j ▁ 1 " ▁[ Click ▁Th eme ▁No . ▁ 1 ], ▁which ▁was ▁included ▁on ▁the ▁double ▁album ▁BO OM ▁Pop ▁Fest ▁' 7 3 ▁( pub lished ▁by ▁Jug