Tersagor from Croatia blend black metal with dark ambient under an enigmatic name since 2018. Their anonymous approach channels Eastern European darkness through atmospheric compositions.

Tesa blend the atmospheric depth of progressive metal with the crushing weight of sludge metal and post-hardcore, creating a dense, layered sound from Riga. Since 2020, the Latvian group has explored the intersection of heaviness and musical complexity.

Teska from Finistère in Brittany blend thrash, groove, and heavy metal from France's rugged western peninsula since 2016. A decade of output from the Land's End of the continent has produced compositions as weathered and forceful as the Breton coastline.

Formed in Milton Keynes, England in 2003 by guitarist Acle Kahney, TesseracT are widely credited as one of the pioneering bands of the djent movement, characterized by polyrhythmic guitar work, odd time signatures, and expansive atmospheric layering. Their debut One (2011) established the template, and they have since released five studio albums through Nuclear Blast, most recently War of Being (2023), cycling through several vocalists before settling on the returning Daniel Tompkins. They remain one of progressive metal's most critically respected contemporary acts.

Tested to Destruction from Cagliari deliver thrash metal with the engineering-stress-test intensity their name demands since 2014. A decade of load-bearing compositions from the Sardinian capital.

Testify is a thrash metal/metalcore band from Oelde/Ennigerloh, Germany, formed in 2018. They fuse thrash metal's aggression with metalcore's dynamic breakdowns.

Testiness is a heavy/power metal band from Essen, Germany, formed in 2025. They play anthemic heavy and power metal from the Ruhr Valley.

Testosteron is a death/thrash metal band from Kecskemét, Hungary, formed in 2015. They deliver aggressive, high-energy metal combining thrash speed with death metal brutality.

Black metal project from Ticino in southern Switzerland, performing metal sung in Italian and local dialect. Their lo-fi Demo MMXVIII (2018) was recorded on a 4-track Tascam and explores themes of cultural erosion, territorial decay, and human misery.