Alterizer

🎸 Technical Death Metal

🌍 Netherlands

Alternate

🎸 Speed/Thrash Metal

🌍 Bulgaria

Alternate Massive Project

🎸 Atmospheric Black/Death Metal

🌍 Italy

Alternative Attack

🎸 Punk (early); Thrash Metal/Punk (later)

🌍 United Kingdom

Alternative-ToD

🎸 Depressive Black Metal

🌍 Germany

Alternator

🎸 Crossover/Thrash Metal

🌍 Indonesia

Alterrik

🎸 Speed/Thrash Metal

🌍 United States

Altersight

🎸 Alternative Rock/Metal (early); Alternative/Gothic Metal (later)

🌍 Russia

Altertum

🎸 Black Metal

🌍 Norway

Althar

🎸 Thrash Metal

🌍 Brazil

Althar

🎸 Black/Doom Metal

🌍 Argentina

Althare

🎸 Black Metal

🌍 Unknown

Altharya

🎸 Symphonic Power Metal

🌍 Israel

Althea

🎸 Progressive Metal

🌍 Italy

Althema

🎸 Melodic Heavy/Power Metal

🌍 Japan

Altherea

🎸 Gothic Metal

🌍 Italy

Altherego

🎸 Metalcore/Heavy Metal

🌍 Spain

Altheria

🎸 Melodic Death/Thrash Metal

🌍 Estonia

Altherya

🎸 Heavy/Progressive Metal

🌍 France

Althotas

🎸 Black/Death/Thrash Metal

🌍 Canada

Althru

🎸 Grindcore

🌍 Germany

Altiom

🎸 Symphonic/Progressive Metal/Rock

🌍 United States

Altithronus

🎸 Melodic Black Metal

🌍 Finland

Altitudes & Attitude

🎸 Heavy Metal

🌍 United States

Altjira

🎸 Heavy/Thrash Metal

🌍 Italy

Altkönig

🎸 Black Metal

🌍 Germany

Altlut

🎸 Doom/Post-Metal

🌍 Romania

Alto Kalibre

🎸 Heavy Metal/Hard Rock

🌍 Chile

Alto Riesgo

🎸 Heavy Metal

🌍 Spain

Alto Voltaje

🎸 Heavy/Speed Metal

🌍 Chile