Instagram/Sombr Music Sombr halts London concert, slams O2 Academy Brixton management after fan medical emergency. See the viral video and his bold criticism. March 12, 2026 AceShowbiz - During a recent performance at the O2 Academy Brixton in London, Sombr, the rising Gen Z pop artist, interrupted his concert to address what he described as poor venue management after a fan appeared to pass out in the crowd without immediate assistance. While performing his Billboard Hot 100 hit "Back to Friends" on Tuesday, Sombr suddenly signaled his band to stop playing.