▁new ▁electronic ▁album . ▁The ▁single ▁" T ight ro pe " ▁featuring ▁Mart y ▁Long st aff ▁and ▁the ▁title ▁track ▁" Common ▁Gr ound " ▁( origin ally ▁titled ▁" The ▁Power ▁of ▁V ul ner ability ") ▁were ▁also ▁premier ed ▁at ▁Ult ra ▁ 2 0 1 7 ▁and ▁at ▁the ▁group ' s ▁RC ▁Col a ▁Plant ▁show ▁two ▁days ▁before . ▁ ▁The ▁conf etti - in sp ired ▁art work ▁style ▁for ▁the ▁album ▁was ▁revealed ▁with ▁the ▁release ▁of ▁" T ight ro pe " ▁on ▁ 4 ▁August ▁and ▁the ▁following ▁release ▁of ▁" My ▁O wn ▁H ymn ", ▁accompanied ▁by ▁a ▁ly ric ▁video , ▁on ▁ 8 ▁September . ▁ ▁The ▁album ▁title ▁and ▁cover ▁were ▁revealed ▁at ▁the ▁end ▁of ▁the ▁group ' s ▁performance ▁at ▁their ▁AB GT ▁ 2 5 0 ▁event ▁on ▁ 1 6 ▁September ▁ 2 0 1 7 . ▁ ▁On ▁ 2 3 ▁October ▁ 2 0 1 7 , ▁the ▁group ▁announced ▁the ▁Common ▁Gr ound ▁North ▁America ▁Tour , ▁which ▁opened ▁with ▁a ▁ 3 - hour ▁set ▁and ▁appearances ▁from ▁Sp encer ▁Brown , ▁Gr um , ▁and ▁Gabriel ▁& ▁Dresden ▁at ▁the ▁Los ▁Angeles ▁Convention ▁Center ▁on ▁ 2 9 ▁December ▁ 2 0 1 7 ▁and ▁closed ▁at ▁the ▁RC ▁Col a ▁Plant ▁in ▁Miami ▁accompanied ▁by ▁Seven ▁L ions ▁on ▁ 2 2 ▁March ▁ 2 0 1 8 . ▁ ▁" N or thern ▁Soul ",