Jay Kalk, AKA Jay Ernest, AKA Jayder (born January 11, 1975) is an American and International touring and recording artist formerly based out of Los Angeles, Phoenix, Honolulu, who currently resides in Minneapolis, Minnesota. He has recorded and performed with many artists such as Go Jimmy Go, Warsaw Poland Brothers, and 3 Minute Hero. His most recent endeavor, Church of Cash, is a Johnny Cash Tribute show.