(also spelt "La Zandunga") is a traditional Mexican waltz and the unofficial anthem of the Isthmus of Tehuantepec, in the state of Oaxaca.  The melody of the song is believed to have originated from Andalusia and it was rearragned by Zapotec musician Andres Gutierrez (Whose name is Ndre Sa’a in the Zapotec language). The lyrics were written by Máximo Ramó Ortiz in 1853 after the death of his mother. Ortiz, who served as governor of Tehuantepec also wrote the song in part to promote independence of the isthmus from the Mexican government. The song tells of a Zapotec woman mourning the death of her mother while crying out, "Sandunga".