Great White frontman Jack Russell from 1980s rock band Great White has died aged 63.

His cause of death has been confirmed as Lewy Body dementia and multiple body atrophy, according to the co-author of his memoir, K.L. Doty, who confirmed to Rolling Stone.

Jack passed away surrounded by his family on Thursday, they confirmed, as they penned in an emotional statement: “Jack is loved and remembered for his sense of humor, exceptional zest for life, and unshakeable contribution to rock and roll…