Last year, Serj Tankian called out Imagine Dragons for their planned concert in Azerbaijan. Now that the pop-rock band went ahead and played the show, the System of a Down singer says they’re “not good human beings.”

Tankian had penned an open letter to Imagine Dragons, asking them not to play Azerbaijan, accusing the country of “crimes against humanity” for their military actions which he described as a looming “genocide.”

When asked by Metal Hammer about his feelings after Imagine Dragona still played the concert in Baku, Azerbaijan, last September, Tankian responded, “I don’t know these guys, but who are these people? I don’t understand that type of thinking. Very close thereafter, Azerbaijan attacked the people of Nagorno-Karabakh and 120,000 people left their historical homes.”

He continued, “Look, I’m not a judge for people to tell bands where to play, or where not to play. You have...