▁Ax well ▁and ▁Sebastian ▁Ing ros so ▁both ▁performed ▁solo ▁at ▁Tom orrow land ▁with ▁their ▁collect ive ▁also ▁performing , ▁head lin ing ▁for ▁the ▁third ▁consecutive ▁year . ▁ 2 0 1 7 ▁was ▁the ▁first ▁year ▁the ▁festival ▁sp anned ▁two ▁weeks ▁( ex cluding ▁its ▁t enth ▁anni versary ▁in ▁ 2 0 1 4 ). ▁Ax well ▁ Λ ▁Ing ros so ▁were ▁the ▁pen ult imate ▁acts ▁for ▁Night ▁One ▁on ▁both ▁weeks . ▁On ▁ 8 ▁December ▁ 2 0 1 7 , ▁the ▁du o ▁released ▁their ▁debut ▁studio ▁album ▁More ▁Th an ▁You ▁Know . ▁It ▁includes ▁all ▁their ▁previously ▁released ▁singles , ▁two ▁bonus ▁tracks ▁(" B arr ica de " ▁by ▁Ax well ▁and ▁" D ark ▁River " ▁by ▁Sebastian ▁Ing ros so ), ▁as ▁well ▁as ▁their ▁new ▁single ▁" D ream er " ▁featuring ▁vocals ▁by ▁Tre vor ▁Gut hr ie . ▁The ▁album ▁pe aked ▁at ▁number ▁ 1 2 ▁on ▁the ▁Swedish ▁album ▁charts . ▁▁ 2 0 1 8 : ▁Swedish ▁House ▁M af ia ▁re union ▁and ▁Hi atus ▁After ▁performing ▁at ▁multiple ▁events ▁during ▁the ▁first ▁half ▁of ▁ 2 0 1 8 , ▁not ably ▁at ▁Ult ra ▁Miami ▁ 2 0 1 8 ▁( the ▁festival ▁which ▁also ▁saw ▁their ▁collaboration ▁with ▁Steve ▁Ang ello , ▁Swedish ▁House ▁M af ia ▁reun ited ▁after ▁a ▁five - year ▁hi atus ), ▁the ▁du o ▁released ▁house ▁single ▁" Dan cing ▁Al one