As per CNN:
Chuck Berry, a music pioneer often called “the Father of Rock ‘n’ Roll,” was found dead Saturday at a residence outside St. Louis, police in St. Charles County said.
Berry, 90, wrote and recorded the rock standards “Johnny B. Goode” and “Sweet Little Sixteen.”
A post on the St. Charles County police Facebook page said officers responded to a medical emergency at a residence around 12:40 p.m. (1:40 p.m. ET) Saturday and found an unresponsive man inside.
“Unfortunately, the 90-year-old man could not be revived and was pronounced deceased at 1:26 p.m.,” the post said. “The St. Charles County Police Department sadly confirms the death of Charles Edward Anderson Berry Sr., better known as legendary musician Chuck Berry.”