Hammersonic returns to Djakarta, Indonesia on May 2-3, 2026, delivering an explosive lineup of rock, punk, post hardcore, metal, and emo acts. My Chemical Romance headlines the festival alongside Australian metalcore heavyweights Parkway Drive, promising two days of high-energy performances. The diverse roster features notable acts including New Found Glory, Memphis May Fire, Blessthefall, Of Mice & Men, Fleshgod Apocalypse, Knuckle Puck, and A Skylit Drive. This lineup showcases a compelling mix of established headliners and rising stars across the alternative rock and metal spectrum.

Hammersonic is a two-day standalone music festival.