, ▁Be ▁My ▁Th r ill , ▁was ▁released ▁in ▁August ▁ 2 0 1 0 , ▁and ▁featured ▁Col bie ▁Ca ill at ▁in ▁back - up ▁vocals ▁on ▁the ▁track ▁" I ▁Was ▁Made ▁for ▁Sun ny ▁Days ." ▁The ▁album ▁to pped ▁the ▁Top ▁ 2 0 0 ▁Billboard ▁Ch arts ▁at ▁No .   3 4 ▁and ▁remained ▁at ▁No .   3 ▁on ▁Billboard ' s ▁Top ▁Fol k ▁albums ▁for ▁nine ▁weeks . ▁The ▁band ' s ▁subsequent ▁supporting ▁tour ▁had ▁ 2 6 ▁sold - out ▁shows ▁across ▁the ▁United ▁States . ▁ ▁Post - N ett werk ▁( 2 0 1 1 – present ) ▁After ▁three ▁records ▁with ▁N ett werk , ▁the ▁band ▁depart ed ▁the ▁label ▁on ▁good ▁terms ▁in ▁ 2 0 1 1 . ▁According ▁to ▁their ▁Twitter ▁and ▁Facebook ▁accounts , ▁they ▁have ▁been ▁recording ▁independently ▁and ▁g ear ing ▁up ▁for ▁additional ▁tour ing . ▁ ▁On ▁December ▁ 1 6 , ▁ 2 0 1 3 , ▁it ▁was ▁announced ▁on ▁the ▁band ' s ▁Facebook ▁page ▁that ▁Deb ▁Tal an ▁had ▁been ▁diagn osed ▁with ▁stage ▁ 3 ▁breast ▁cancer . ▁After ▁Tal an ▁under w ent ▁both ▁chem other apy ▁and ▁surg ery , ▁the ▁band ' s ▁Facebook ▁page ▁announced ▁on ▁June ▁ 1 0 , ▁ 2 0 1 4 ▁that ▁she ▁was ▁in ▁rem ission . ▁The ▁group ▁recently ▁announced ▁a ▁new ▁album ▁entitled ▁Sir ens , ▁which ▁was ▁released ▁in ▁April