Grievance is a Brazilian black metal band formed in 1997. They are known for their raw and aggressive sound, as well as their dark and occult-themed lyrics. The band has released several albums and EPs over the years, including "Antologia 1997-2024," "Occult Encryptions," and "Nos Olhos da Coruja." Grievance has toured extensively throughout South America and Europe, and they have shared the stage with some of the biggest names in black metal, including Mayhem, Darkthrone, and Emperor.