Life Note: Zach John King is mourning the loss of his father, John King, who died suddenly July 10, with the artist sharing on social media, "He was our family's rock. My best friend. The greatest man I will ever know." King has cancelled two weeks of shows to be with his family. Chandler Walters will fill in for him this week at Country Jam USA in Eau Claire, WI (7/16) and Freedom Fest in Little Falls, MN (7/18).