High Quality Content by WIKIPEDIA articles! Hanna–McEuen was an American country music duo composed of first cousins Jaime Hanna and Jonathan McEuen. Both members of the duo sing, in addition to playing guitar and mandolin; Hanna also plays harmonica, while McEuen also plays banjo. Their fathers, Jeff Hanna and John McEuen, co-founded the Nitty Gritty Dirt Band, a country music band which had success in the 1970s and 1980s. In addition, Hanna was formerly an occasional supporting musician for the alternative country band The Mavericks.