You can celebrate fine art and performances, good food and darn good coffee at Art, Melodies and Java, 6 to 9 p.m. Thursday at Southern Heartland Art Gallery, 1132 Monticello St., on the square in downtown Covington.The event, a showcase of the local visual and performing arts, will be presented by the gallery and Plain Nuts. It will feature musicians, dancers, a poetry reading and desserts and coffee."It’s a celebration of the arts, all arts," said Margaret Warfield of Southern Heartland, an organizer of the event.There’s no admission charge, but donations will be accepted to benefit the