(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.
