Óscar Alfonso Castro (born December 20, 1986 in Obregón, Sonora), 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. At the same time, he started playing the guitar that his grandfather had left for him years before, and soon learned to play songs from artists such as Bob Marley and Sublime. 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