Garth is the first name in country music with five letters. Merle is another five letter first name in country music, and Shania is a six letter first name in country music. Trisha is another six letter first name in country music, and Kris is a four letter first name in country music. Reba is another four letter first name in country music, and EDDY is the last four letter first name in country music. All of these names are associated with country music, and many of them have had successful careers in the genre.