The crossword solutions for the term FOLK SONG MULE are SAL, which stands for a Spanish-American Laborer. SAL is a term used to refer to a laborer of Mexican or Latin American descent who works in the United States. This term is often used to describe agricultural workers, but can also refer to any type of manual labor. SAL is also used to refer to a type of folk song, known as corrido, which is popular among Mexican and Latin American communities. The corrido is a narrative song that tells stories of everyday life, often with a moral lesson. The term FOLK SONG MULE is used to refer to a person who carries these corridos from one place to another, thus preserving the tradition of the corrido.