photo: michal lenc · cc by-sa 4.0 ↗Killswitch Engage formed in 1999 in Westfield, Massachusetts, when bassist Mike D'Antonio and drummer-turned-guitarist Adam Dutkiewicz salvaged the wreckage of their previous bands Overcast and Aftershock, recruiting guitarist Joel Stroetzel and vocalist Jesse Leach. They debuted that November opening for Swedish melodic death metal act In Flames, handing out a four-song demo to the crowd — a fitting start, since Killswitch fused New England hardcore's chug and breakdowns with Gothenburg's soaring dual-guitar leads, becoming a founding act of metalcore's 2000s breakout alongside Shadows Fall and Unearth. Leach's 2002 departure brought Howard Jones for the platinum 'As Daylight Dies' era before Leach's 2012 return reset the band around 'Disarm the Descent.' Now nine albums deep, they remain metalcore's most durable standard-bearers.
Guitarist Adam Dutkiewicz has singled out the Gothenburg scene as formative listening, telling MusicRadar that after growing up on Van Halen he 'got way into the European metal of the early and mid-'90s — Carcass, At the Gates and all that stuff.' At the Gates' 1995 landmark 'Slaughter of the Soul' is widely credited as a direct template for 2000s metalcore, and retrospectives on the album single out Killswitch Engage specifically as one of the bands that carried its tremolo-picked, harmony-laden riff style into the genre's mainstream breakthrough.
listen forSet 'Blinded by Fear' beside 'Rose of Sharyn' — both build a verse from a galloping, palm-muted riff under a searing melodic lead, then detonate into a hook sturdy enough to carry a chorus, the exact hardcore/death-metal hybrid At the Gates patented.
Killswitch Engage played their first-ever show on November 18, 1999, at the Palladium in Worcester, Massachusetts, opening for In Flames and handing out their four-song demo to the crowd. In Flames' melodic death metal, with its soaring dual-guitar leads laid over otherwise brutal riffing, gave the young band an in-person model for pairing extremity with melody — a pairing band members have since named among their formative influences.
listen forCompare 'Moonshield' to 'The Arms of Sorrow' — each wraps a clean, keening lead melody around a much heavier rhythm part, the guitar singing a separate, prettier line than the one the riff is telling.
Dutkiewicz has said James Hetfield 'shaped the guitar player I am' and that the tightly palm-muted, downpicked rhythm work on Metallica's late-80s records 'taught me how to play' — a technical foundation that shows up directly in Killswitch Engage's own machine-gun rhythm parts, built to lock in tight under a melodic vocal the way Hetfield's riffs lock in under his.
listen forLine up 'One' with 'In Due Time' — both ratchet a single palm-muted rhythm figure faster and tighter across the song, using controlled picking-hand endurance rather than volume to build tension.