Wikipedia
Grindmother is a Canadian heavy metal singer who is becoming famous for performing ear-shattering vocals at 67 years old. The name Grindmother is a melding of the grindcore subgenre and her grandmother personae.
In April 2016, Grindmother released her debut album "Age of Destruction" which features guitar by her son, Rain Forest, and drums by Tyson Apex.
She has been reported on extensively by both underground metal and mainstream media. Vice Japan caller her "a super idol of Vice".
On July 26, Grindmother released a cover of Sepultura's Slave New World via Decibel (magazine). A post made by Sepultura on their Facebook page read "Last night in Brazil we celebrated Grandparent's Day, and look what we discovered: this version of Slave New World sung by a 67-Year-old grandmother! She's got a project of heavy music called The Grindmother. Their story is so inspiring that was published in the Decibel Magazine."