Silvia Ofelia Urbina Pinto was a Chilean singer, folklorist and teacher. Urbina had a vast trajectory in the investigation, research and dissemination of Chilean folk music. She was one of the founders of the Cuncumén folkloric group and later creator of the children's musical folkloric group, Cuncumenitos.

Rolando Alarcón Soto was a Chilean singer-songwriter and teacher, who was one of the main figures of the movement Nueva canción chilena. He was the artistic director of Cuncumén, one of the most important Chilean folk groups in the 20th century. During the 1970s, Rolando was a political activist for the Popular Unity of the socialist president Salvador Allende.