For Columbia's Dec 4th FirstThursdays OnMain event, the Trentholm Artist Guild will have an opening of works by Alicia Leeke, Tim Floyd, J Michael McGuirt, and Mary Catherine Newman at CertusBank, 1241 Main St. Also, featuring works from Dr. Linda D Lake and AbstractAlexandra. Musical guests: Jesse Jones, mandolin and Craig Butterfield, bass.There will also be an artist painting during their performance.