Instagram/Billie Eilish & Finneas O Music Relive the electrifying opening of Billie Eilish's tour with the dramatic new instrumental track "Intro," now streaming. April 25, 2026 AceShowbiz - Fans of Billie Eilish who attended the Hit Me Hard and Soft Tour experienced the electrifying energy during the concert's opening moments. Now, the singer is giving listeners a chance to relive that anticipation by releasing the show's introductory instrumental track on streaming platforms.