What is "cante jondo"

Cante jondo is a vocal style in flamenco. An unspoiled form of Andalusian folk music, the name means deep song ( Spanish hondo = "deep".) It is generally considered that the common traditional classification of flamenco music is divided into three groups of which the deepest, most serious forms are known as cante jondo. The name is spelled with a j as a form of eye dialect because traditional Andalusian pronunciation has retained an aspirated h lost in other forms of Spanish.