What are the most covered folk songs of all time?

Some of the most covered folk songs of all time include "This Land Is Your Land" by Woody Guthrie, "Scarborough Fair," and "House of the Rising Sun." These songs have been interpreted by numerous artists across various genres, reflecting their enduring appeal and cultural significance. Additionally, "Danny Boy" and "Wildwood Flower" are also popular choices among musicians, showcasing the versatility and timeless nature of Folk Music.