Blue Öyster Cult was in a celebratory phase of their career when they recorded their live performance of "E.T.I." on April 18, 2016, at Red Studios in Hollywood. This concert was part of their "40th Anniversary - Agents of Fortune - Live 2016" album, commemorating the landmark 1976 release "Agents of Fortune," which features some of the band's most iconic work, including the hit single "(Don't Fear) The Reaper." By 2016, Blue Öyster Cult had solidified their status as rock legends, known for their blend of hard rock, progressive rock, and thoughtful lyrics, which helped them maintain a dedicated fan base. The live performance showcases the band's enduring musicianship and commitment to their craft, highlighting how their sound has evolved while still resonating with classic rock audiences. The show also reflects their long-standing tradition of energizing live performances that feature both new and classic material.