Huey Lewis and the News have canceled all remaining 2018 tour dates, including a scheduled concert in Alton, due to Lewis' gradual hearing loss.
"The lower frequencies distort violently making it impossible to find pitch," Lewis wrote.
His doctors believe he has Meniere's disease, an inner ear disorder that can cause vertigo, progressive hearing loss and ringing in the ear.
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The band was set to headline at the Liberty Bank Alton Amphitheater on June 24.