Kirk Windstein is an American musician born in 1965. He is best known as the frontman, vocalist, rhythm guitarist, and sole constant member of the sludge metal band Crowbar. A pivotal figure in heavy metal, he co-founded the supergroup Down, playing guitar with them from 1991 to 2013 and rejoining in 2020. In 2005, he teamed up with Jamie Jasta of Hatebreed to form Kingdom of Sorrow, releasing their debut album in 2008. Windstein's career began in 1985 with the cover band Victorian Blitz, later joining hardcore punk group Shell Shock in 1988. His contributions have significantly shaped the sludge and heavy metal genres.

• Genres: Классика метала, Иностранный рок
• Country: USA
• Language: English