Alcoholatry celebrates stoner and doom metal worship from Brno since 2013, their name combining alcohol with idolatry in a statement of devotional hedonism. The Moravian capital's vibrant underground scene supports their hazy, riff-centric liturgy.

Alconaut brings stoner metal from the Corsican capital of Bastia since 2019, navigating heavy, hazy grooves from the Mediterranean island's rugged interior. Their nautical-drinking name suits the rolling, seafaring quality of their riff-driven sound.

Aleph Null is a stoner sludge trio from Dusseldorf, Germany, featuring Philip on guitars and vocals, Carsten on bass, and Jens on drums. Their releases, including the EPs Dale and Belladonna and the full-lengths Nocturnal and Endtime Sisters, deliver the low-end heaviness and hazy intensity that define the stoner sludge sound.

Aletheia is a stoner and thrash metal band from the Bayreuth and Nuremberg area of Germany, formed in 2013, merging the groove-heavy weight of stoner metal with thrash's speed and bite. The band brings a dual-city energy to their aggressive yet riff-driven sound.

Alligator Rodeo is a sludge and doom metal band from Detmold, Germany, formed around 2014, who describe themselves as a hate-filled sludge factory lurking in the humid swamps of heavy music. Their releases, including Ghost in the Machine and Optimists Club, deliver slow, crushing doom punctuated by aggressive vocals and uptempo attacks.

Almyth channels psychedelic stoner metal from Riga since 2023. Their mythical-portmanteau name suggests ancient stories retold through fuzz-drenched, hallucinogenic riffing from the Latvian capital.

Altar of Betelgeuze is a Helsinki doom outfit that blurs the lines between stoner rock, traditional doom, and death metal, earning acclaim with releases on Transcending Obscurity Records. Their 2024 album "Echoes" continues a tradition established in the mid-2010s of crafting space-themed doom that is as cosmically vast as the red supergiant star they're named after.

Altar of the Witch combines heavy, doom, and stoner metal from Sassari in northern Sardinia since 2020. Their occult name conjures images of pagan worship that their thick, riff-heavy Sardinian sound brings to life.

Altareth crafts stoner and doom metal from Gothenburg since 2015. Their altar-derived name drives a decade of riff-worshipping compositions from Sweden's western coast.