Matoya is the background music for Matoya's Cave in Final Fantasy I.
About Matoya's Cave
Matoya's Cave is a location in the original Final Fantasy. A cave found north of Coneria, an old witch named Matoya lives here. After defeating Astos you receive Matoya's missing eye. Matoya rewards you with a Jolt Potion for finding her eye, then decided your party are too ugly to keep around.