Sleep Token are a British alternative metal band from London, formed in 2016. The group are an anonymous, masked collective led by a frontman using the moniker Vessel. They have been categorized under many different genres, including alternative metal, post-rock/metal, progressive metal, and indie rock/pop. After self-releasing their debut extended play (EP) One in 2016, the band signed with Basick Records and issued a follow-up, Two, the next year. The group later signed with Spinefarm Records...