Former Smash Mouth lead singer, Steve Harwell, has passed away at 56 in his Boise, Idaho home while in hospice care. Known for his limited musical experience and vibrant persona, Harwell retired in 2021 due to health issues, including cardiomyopathy and acute Wernicke Encephalopathy. His band, Smash Mouth, continues touring with vocalist Zach Goode.