▁pre - aud ition ▁stage ▁and ▁was ▁unable ▁to ▁sing ▁for ▁the ▁jud ges . ▁The ▁second ▁time ▁she ▁aud ition ed ▁for ▁the ▁show , ▁she ▁sang ▁her ▁own ▁original ▁song , ▁" B ub b ly ", ▁and ▁was ▁rejected ▁once ▁again . ▁However , ▁Ca ill at ▁expressed ▁grat itude ▁at ▁the ▁jud ges ' ▁decision , ▁saying ▁" I ▁was ▁sh y . ▁I ▁was ▁nerv ous . ▁I ▁didn ' t ▁look ▁the ▁greatest . ▁I ▁wasn ' t ▁ready ▁for ▁it ▁yet . ▁I ▁was ▁glad , ▁when ▁I ▁aud ition ed , ▁that ▁they ▁said ▁no ." ▁The ▁popular ity ▁of ▁Ca ill at ' s ▁My Space ▁profile ▁led ▁her ▁to ▁become ▁the ▁number - one ▁unsigned ▁singer ▁in ▁her ▁genre ▁for ▁four ▁consecutive ▁months . ▁▁ 2 0 0 7 – 2 0 0 8 : ▁C oco ▁ ▁Ca ill at ' s ▁debut ▁album , ▁C oco , ▁was ▁released ▁on ▁July ▁ 1 0 , ▁ 2 0 0 7 ▁in ▁Australia ▁and ▁Asia ▁and ▁a ▁week ▁later ▁in ▁North ▁America . ▁Its ▁del ux e ▁edition ▁was ▁released ▁on ▁September ▁ 3 , ▁ 2 0 0 8 ▁in ▁Japan ▁and ▁November ▁ 1 1 , ▁ 2 0 0 8 ▁world wide . ▁The ▁album ▁was ▁cert ified ▁ 2 × ▁Pl atin um ▁by ▁the ▁R I AA ▁with ▁ship ments ▁to ▁U . S . ▁ret ail ers ▁of ▁ 2 , 0 0 0 , 0