Alien Heat brings NWOBHM-inspired heavy metal from Northampton since 2024, channeling the golden era of British metal through a modern lens. Their extraterrestrial-thermal name adds a sci-fi edge to their classic approach.

Alien Power is a heavy metal band from Brunswick, Germany, formed in 2013, delivering traditional heavy metal with a straightforward, riff-driven approach. The band contributes to the enduring German heavy metal tradition that has produced some of the genre's most influential acts.

Alienated is a heavy metal band from Oldenburg, Germany, formed in 2019, adding to the long lineage of German heavy metal with their own take on the genre's classic sound. The band is a relatively recent addition to the active metal scene in Lower Saxony.

Aliens is a heavy metal band from Lorrach, Germany, formed in 2019, operating along the southwestern border region near Switzerland and France. The band plays straightforward heavy metal rooted in the classic German tradition of the genre.

Alkateya plays heavy and power metal from Lisbon as of 2025. Their phonetic spelling adds a distinctive visual identity to classic metal traditions from the Portuguese capital.

Alkatrazz delivers NWOBHM-inspired heavy metal from the Kent county town of Maidstone since 2021, channeling the inescapable intensity of the famous prison their name references. Their classic metal approach honors the golden age of British heavy metal.

Formed in Prague in 1991, Alkehol play a rough-edged brand of heavy metal crossed with punk rock, with alcohol as their defining lyrical theme. The band contributed tracks to several early 1990s Czech metal compilations, including Masters of Czech Metal, and have remained active and unsigned for over three decades.

All Seeing Eyes merges heavy and progressive metal from Hertfordshire since 2020, their omniscient name reflecting compositions that survey the full breadth of the metal landscape. Their Home Counties origins feed a sound of panoramic ambition.

Alley Cat is a heavy metal band from Hamburg, Germany, formed in 2010, playing classic heavy metal with an energetic, hard-hitting approach. The band contributes to Hamburg's active metal scene with their riff-driven sound.