Kathy Mattea is an American country music and bluegrass singer. Active since 1984 as a recording artist, she has charted more than 30 singles on the Billboard Hot Country Songs charts. Among her albums, she has received five gold certifications and one platinum certification from the RIAA. Her style is defined by traditional country, bluegrass, folk, and Celtic music influences. Kathy Mattea has hand signed this BW Country Music 8x10 Photo Matted to 11x13with Love inscription. JSA Authentication RR76719 and JSA Certificate of Authenticity. Specifications. Signed by Kathy Mattea. Authentication JSA. Inscription Love. Size 8 x 10 in.