Troparion is a US black metal project formed in 2022, incorporating punk elements into its raw black metal framework for a stripped-down, confrontational sound.

Vicious Heavy / Thrash Metal from Austin.

Trouble formed in Aurora, Illinois in 1979 and are widely recognized as one of the founding acts of American doom metal, often grouped alongside Candlemass, Pentagram, and Saint Vitus. Their first two albums, Psalm 9 (1984) and The Skull (1985), are landmark recordings that grafted Black Sabbath's heaviness onto a spiritual lyrical framework. The band signed to Rick Rubin's Def American label for their 1990 self-titled album and continued recording across eight studio releases.

Troughborn Son is a Midwestern black metal project formed in 2023, trafficking in atmospheric and raw black metal with a bleak, introspective character.

Troughman is a Pittsburgh death metal and grindcore band formed in 2021, combining the brutality of death metal with the velocity and brevity of grindcore.

Troupe is a Missouri heavy metal and hard rock band formed in 2012, drawing on classic heavy metal and rock traditions.

Troupe is a heavy metal and hard rock band from Shreveport, Louisiana, formed in 2012, rooted in the hard-rocking end of traditional metal.

Trow is a black metal band from Portland, Oregon, formed in 2016, operating within the Pacific Northwest underground scene with a cold, atmospheric approach to the genre.

Trox is a Newark, New Jersey heavy metal and hard rock outfit formed in 2018, building on the muscular riff vocabulary of classic heavy metal with a modern edge.