8 Observations From Babymetal's Debut NYC Concert

Babymetal pose during an interview with Agence France-Presse in Chiba, a suburb of Tokyo. 

The Japanese pop-metal group danced and shredded their way through Hammerstein Ballroom.

After opening for five dates on Lady Gaga's Artpop tour and a sold-out Los Angeles concert this year, Babymetal hit the East Coast for their first New York show. The Japanese trio has been made viral waves, as well as chart moves, thanks to their kooky mix of bubblegum J-pop melodies with Slayer-like productions -- or as they've called it, "kawaii" (meaning cute) metal.