o ▁established ▁in ▁ 2 0 0 4 ▁by ▁rapp ers ▁O rel san ▁and ▁Gr inge . ▁The ▁du o ' s ▁name ▁is ▁a ▁reference ▁to ▁the ▁two ▁" W et ▁Band its " ▁from ▁the ▁movie ▁Home ▁Al one , ▁called ▁the ▁" C asse urs ▁Fl otte urs " ▁in ▁the ▁French ▁dialog ue . ▁ ▁History ▁The ▁two ▁rapp ers ▁met ▁in ▁the ▁year ▁ 2 0 0 0 ▁in ▁Paris . ▁Les ▁In ro cks ▁describe ▁their ▁meeting ▁as ▁being ▁" as ▁simple ▁as ▁a ▁Fran ck ▁Dum as ▁match ▁analysis ." ▁ ▁C asse urs ▁Flow ters ▁released ▁their ▁first ▁mi xt ape ▁Fant asy : ▁E pisode ▁ 1 ▁with ▁ 1 1 ▁tracks , ▁with ▁help ▁from ▁French ▁record ▁producer ▁Sk read , ▁in ▁ 2 0 0 4 . ▁After wards , ▁the ▁two ▁rapp ers ▁decided ▁to ▁focus ▁on ▁building ▁their ▁solo ▁care ers , ▁with ▁O rel san ▁re le asing ▁Per du ▁d ' av ance ▁in ▁ 2 0 0 9 ▁and ▁Le ▁chant ▁des ▁sir ènes ▁in ▁ 2 0 1 1 , ▁his ▁first ▁two ▁studio ▁albums , ▁and ▁Gr inge ▁re le asing ▁a ▁mi xt ape ▁entitled ▁Fant asy ▁Mi xt ape ▁in ▁ 2 0 0 9 . ▁ ▁Following ▁the ▁success ▁of ▁O rel san ' s ▁second ▁studio ▁album ▁Le ▁chant ▁des ▁sir ènes , ▁the ▁du o ▁released ▁their ▁first ▁collabor ative ▁single , ▁" B lo qué ", ▁on ▁