EPCOT Festival of the Arts runs January through late February. It is the highest-density festival on the EPCOT calendar — Visual Arts (gallery installations through World Showcase), Performing Arts (Broadway concert series at the America Gardens Theatre nightly), and Culinary Arts (food-studio booths) all running concurrently.
A tactical day-plan that captures all three without burnout looks like this. Arrive at park open. Walk World Celebration first, before the Visual Arts crowd builds — the gallery installations photograph best in early-morning light and you can hit them in 90 minutes. From there, go counter-clockwise through World Showcase: Mexico to Norway to China and Germany, hitting the Culinary Arts food-studio booths on the way. The booths south of Italy serve plate-style food; the booths north tend toward small-plate. By 1 PM you should have completed half the World Showcase loop and visited 5–7 food booths.
For the Performing Arts concert series, secure a Broadway dining package — they sell out 60 days out and they include guaranteed concert seating. The dining package eliminates the lottery and locks in the concert. Without the package, the standby line for the concert opens 90 minutes before showtime and the queue is real.
The move most guests miss is leaving the park between 3 PM and 6 PM and returning for the concert at 7 PM. Festival of the Arts food is rich, the booths build up by 2 PM, and a three-hour resort break makes the difference between a great day and an exhausted day. Come back for the concert, finish the World Showcase loop, and stay for the closing show.