Riot Fest at Concord Music Hall

Arch Enemy is a Swedish melodic death metal band, originally a supergroup from Halmstad, formed in 1995. Its members have been in bands such as Carcass, Armageddon, Carnage, Mercyful Fate, Spiritual Beggars, The Agonist, Nevermore, Eucharist, and Once Human. Carcass guitarist Michael Amott founded Arch Enemy with Johan Liiva. They were both originally from death metal band Carnage. The band has released eleven studio albums, three live albums, three video albums and four EPs. Liiva fronted the band until German vocalist Angela Gossow replaced him in 2000. Gossow left the band in March 2014 to become the group's manager. Canadian vocalist Alissa White-Gluz replaced her. White-Gluz left the band at the end of 2025. American vocalist Lauren Hart was announced as the band's new frontwoman on 19 February 2026.

The Black Dahlia Murder is an American melodic death metal band from Waterford, Michigan, formed in 2001. Their name is derived from the 1947 unsolved murder of Elizabeth Short, often referred to as Black Dahlia. As of February 2025, the band consists of lead vocalist Brian Eschbach, bassist Max Lavelle, drummer Alan Cassidy, and guitarist Ryan Knight. The Black Dahlia Murder has undergone various lineup changes, with Trevor Strnad and Eschbach remaining the only constant members, until the former's death in 2022, which then saw Eschbach take over lead vocals and Knight replacing him on rhythm guitar.

Crypta is a Brazilian all-female death metal band from São Paulo, formed in 2019. Vocalist and bassist Fernanda Lira, drummer Luana Dametto, and guitarists Tainá Bergamaschi and Sonia Nusselder founded the band. The current lineup comprises Lira, Dametto, Bergamaschi, and guitarist Victoria Villarreal, who joined as a touring musician in 2025 before becoming a permanent member in 2026. Guitarist Jéssica di Falchi, a former band member, had also joined as a touring musician. Prior to forming Crypta, Lira and Dametto were in thrash metal band Nervosa.