A one-man blackened heavy metal project from Sidney, Ohio, Bartzabel has been active since 2020, exploring occult and fantastical themes alongside personal reflections on love and free thought.

Waynesville, Missouri crossover thrash outfit Base Apes formed in 1986, earning a spot on the 1989 cassette compilation At the Speed of Light Vol. I before splitting up.

San Antonio, Texas slam/brutal death metal band Basement Burial formed in 2023, delivering the subgenre's hallmark combination of pulverizing rhythms and extreme subject matter.

Oklahoma City brutal death metal and hardcore band Bashed In operated from 2021 until their breakup, releasing through Vile Tapes Records and building their sound around themes of hate and violence.

Austin, Texas goregrind act Basic Torture Procedure formed in 2020, operating as an unsigned independent outfit before splitting up and leaving behind a brief run of uncompromising extreme noise.

Houston, Texas progressive thrash/power metal band Basilisk was active from 1989 to 1991, releasing a demo and appearing on a 1990 Saturn Records compilation before disbanding.

Philadelphia death/black metal band Basilysk formed in 2009 and spent over a decade exploring misanthropic and occult themes before going on hold in 2021.

BASK is a stoner rock and post-rock band from Asheville, North Carolina, active since 2012 and distinguished by an unusual integration of Americana songwriting with heavy, reverb-saturated stoner and desert rock. The band began recording their debut album American Hollow in 2014, followed by Ramble Beyond (2017) and III (2019), all released via Season of Mist. They have toured alongside High on Fire and Black Tusk, and their regional Appalachian flavor sets them apart within the broader sludge and stoner rock sphere.

A black metal project whose name means frost in Kurdish, Bastalak channels themes of Kurdish history and warfare into their music through an extreme metal lens.