FILE - This June 15, 2019 file photo shows John Prine performing at the Bonnaroo Music and Arts Festival in Manchester, Tenn. The family of John Prine says the singer-songwriter is critically ill and has been placed on a ventilator while being treated for COVID-19-type symptoms. A message posted on Prine's Twitter page Sunday, March 29, 2020 said the â€œAngel from Montgomeryâ€ singer has been hospitalized since Thursday and his condition worsened on Saturday. (Photo by Amy Harris/Invision/AP, File)