A star-studded viral marketing stunt? This is “How It’s Done.” KPop Demon Hunters stars Rei Ami and Kevin Woo surprised fans with a concert from atop a double-decker bus in New York City on Saturday, August 23.

Netflix has just released the sing-along version of K-pop Demon Hunters, and now fans can sing along to their favourite Huntr/x tracks.

The Netflix feature KPop Demon Hunters is in theatres for a special weekend with sing-along screenings. The actors who voice the popular characters surprised fans in New York City as they hopped on a double-decker bus to sing some of the songs.