Who doesn’t know Slipknot?? This American Heavy Metal from Des Moines is confirmed their attandence to our huge stage at Hammersonic 2020!

It may took a very long waits to be in another segment of our event, but the worries are finally over! For you guys who really appreciate Hammersonic cant be underrated, surprise! Surprise!! We are back in 2020 and giving this special first line up announcement: SLIPKNOT EVERYONE! LETS GIVE IT A SHOT!

Hammersonic 2018 was full of joy, we bring so many people to the next level of hardcore festival and it made us so grateful to having you guys on the moshpit in that day. But, the man behind the scene also need take some rest too to plan everything’s best on the next round.