Steve Harwell, the former lead singer of the rock band Smash Mouth, has died at the age of 56. He passed away on September 4, 2023, at his home in Boise, Idaho, surrounded by family and friends. The cause of death was not specified in the reports, but he had been receiving hospice care and was in the final stage of liver failure. Harwell had faced numerous health issues in recent years, including heart disease, acute Wernicke encephalopathy, and alcoholism. He retired from Smash Mouth in 2021 due to his ongoing health issues. Harwell was known for his iconic voice and was the lead vocalist for the band until his retirement.