Roots of Sonic Syndicate

In Flames is a Swedish heavy metal band from Gothenburg, formed in 1990. They are considered one of the pioneering acts of the Gothenburg metal scene, which also includes bands such as At the Gates and Dark Tranquillity. Their lineup has changed several times, with vocalist Anders Fridén and lead guitarist Björn Gelotte being the only consistent members since 1995. Since the departure of Jesper Strömblad in 2010, no original members remain with the band. The band has sold over two million records worldwide.

Soilwork is a Swedish melodic death metal band from Helsingborg. They have released twelve studio albums. Formed in late 1995 by Björn Strid and Peter Wichers, the band was originally known as Inferior Breed. In late 1996, they changed their name to Soilwork, which means "working from the ground up".

Killswitch Engage is an American metalcore band from Westfield, Massachusetts, formed in 1999. The band's current lineup consists of vocalist Jesse Leach, guitarists Joel Stroetzel and Adam Dutkiewicz, bassist Mike D'Antonio, and drummer Justin Foley. Howard Jones was the band's lead vocalist from 2002 to 2012.

Dark Tranquillity are a Swedish melodic death metal band from Gothenburg, formed in 1989. They are considered one of the pioneering acts of the Gothenburg metal scene, which also includes bands such as At the Gates and In Flames. After a nearly three-decade long collaboration of four founding members frequent lineup changes between 2015-2021 have left only vocalist Mikael Stanne as an original member, together with long-time keyboardist Martin Brändström. The current lineup of the band consists of Stanne (vocals), Brandstrom, Johan Reinholdz, Peter Lyse Karmak, Christian Jansson (bass), and Joakim Strandberg Nilsson (drums).