 After attempting what many of us call singing, a version of the national anthem, Ingrid Andress is coming clean. Kevin Carr reports the country music singer is canceling some upcoming shows and heading to rehab. Country singer Ingrid Andress is apologizing and offering an explanation for striking a sour note, or rather quite a few of them. At Major League Baseball's Home Run Derby in Arlington, Texas on Monday, Andress performed a disastrous version of the national anthem.