There are at least four artists called Havok: (1) an American thrash metal band ; (2) a German death metal band; (3) a Swedish extreme metal band; and (4) an underground rapper.
These are photos from concerts where Havok played, so they may be of other bands that played the concert as well.
Heavy Montréal 2018 Jul 28 - 29, 2018 Montréal, Québec, Canada Uploaded by Sandrine
Suicidal Tendencies / Havok Jul 20, 2018 Calgary, Alberta, Canada Uploaded by Don Hopkins
Havok / Extinction A.D. Jul 15, 2018 Spokane, Washington, United States Uploaded by Koyoteboy
Havok / Tyrant / My Own Will Mar 7, 2018 Ferndale, Michigan, United States Uploaded by Apremog1
Anthrax / Killswitch Engage / Havok Mar 4, 2018 Portland, Maine, United States Uploaded by Pneuma Lineal