Husband and wife duo Thompson Square are canceling their upcoming performances ofter Shawna Thompson’s father died Thursday night. The duo’s publicist said George Michael “Mickey” McIlwain died in Alabama after “a valiant battle with cancer.” Shawna and her family, including husband Keifer, were by his side when he died. The duo was scheduled to play the Country Radio Seminar “New Faces” show Friday night in Nashville. They’re also an opening act on Lady Antebellum’s “Own The Night” tour. David Nail filled in for the duo over the weekend.