The folk music posters summarized focus on natural themes like trees and animals to represent the genre's rural roots. Common visual elements include historical objects like antique chairs or sailboats to reference folk music's traditional heritage. Key instruments of the genre like banjos and acoustic guitars are also frequently depicted. Overall, the posters aim to promote the music itself and its origins rather than idolizing specific artists, using abstract illustrations and atypical human figures instead of the typical promotional conventions seen in other genres.