Vince Gill, Billy Gilman, SHeDAISY and Nickel Creek will guest on Country Christmas Memories, a holiday special to air on CMT. The show will include the world premiere of Gilman's new video, "Warm and Fuzzy," from his new album Classic Christmas. SHeDAISY will perform tunes from their first holiday album, Brand New Year. Gill will join host and comedian Shane Caldwell for a medley of "Little Drummer Boy" and "Peace on Earth." The special will debut Nov. 22.