After joining Green Day for their FireAid-opening set at the Kia Forum earlier Thursday night (Jan. 30), Billie Eilish took the stage again at the neighboring Intuit Dome for the benefit concert, this time with her brother Finneas . Jelly Roll Delivers an Emotional ‘I Am Not Okay’ & Propulsive ‘Hollywood Nights’ at FireAid Concert Introduced by Sting, who named himself a “devotee” of the singer’s “exquisite voice,” Eilish and Finneas encouraged fans to sit down if they were tired — which they immediately refused — before delivering a three-song set of stripped-back, acoustic tracks from Hit Me Hard…..