TOKYO METROPOLITAN ROCK FESTIVAL, commonly known as METROCK, has been held since 2013. Although it’s a relatively new event, it attracts great popularity, drawing over 30,000 attendees every year since its inception. It takes place in Tokyo and Osaka over a total of four days.

TOKYO METROPOLITAN ROCK FESTIVAL, commonly known as METROCK, has been held since 2013. Although it’s a relatively new event, it attracts great popularity, drawing over 30,000 attendees every year since its inception. It takes place in Tokyo and Osaka over a total of four days.