Meet Hugh Sinclair, who sings a song about returning to Barra from Glasgow after 30 years.
Fifty years after Alan Lomax originally recorded him singing, Jose Iranzo sings a Northern Spanish folk song for filmmaker Rogier Kappers.
Filmmaker Rogier Kappers takes the route of Alan Lomax, a man who devoted his life to recording the world's folk music before it went extinct.
Manuela Lema Santso from Galicia, Spain, hears Alan Lomax's recording of her and her sisters singing a Spanish folk song.
Alan Lomax's friends and family reminisce about Lomax the man, and the necessity of his work in preserving traditional music.