Óscar Alfonso Castro (born December 20, 1986), better known as Caloncho, is a Mexican musician and singer.

As a child, Caloncho lived in Guadalajara where his favorite activity was playing the drums, until he later decided to experiment with melody.

Based on his own confession, Caloncho was the name his grandfather and step-sister, Angélica, used to call him when he was very little and since the name never annoyed him, he decided to use it as his musical stage name.

We used organic sounds and objects that are not considered musical instruments, such as water, fruit, seeds, lighters, etc.

II), an album described by Vice as having "pure musical quality in the instrumental arrangements, accompanied by lyrics that arouse curiosity and admiration.