What is the nitty gritty dirt band most famous song?

The Nitty Gritty Dirt Band's most famous song is likely "Mr. Bojangles."

"Mr. Bojangles" was written and originally recorded by American songwriter Jerry Jeff Walker in 1968. The song tells the story of an old, homeless street performer named Mr. Bojangles, who captivates the narrator with his dancing and stories despite his transient lifestyle.

The Nitty Gritty Dirt Band released their own version of "Mr. Bojangles" on their 1970 album "Uncle Charlie & His Dog Teddy." Their rendition of the song became a major hit, reaching number 9 on the Billboard Hot 100 chart and solidifying the band's reputation and popularity.

The song has since been covered by numerous artists and has become an enduring classic in the folk and country music genres. Its heartfelt lyrics and poignant storytelling have resonated with listeners for generations, making it a standout track in the Nitty Gritty Dirt Band's extensive discography.