Meaning of Nanas de la Cebolla by Joan Manuel Serrat (the story behind)

"Nanas de la Cebolla" is a powerful song written by the renowned Spanish singer-songwriter Joan Manuel Serrat. The song, based on a poem by Miguel Hernández, tells the story of a mother who sings a lullaby to her child using an onion to calm his hunger. However, the metaphor of the onion goes beyond its literal meaning and represents the suffering and hardship that the working class experienced during the Spanish Civil War. Through this heart-wrenching song, Serrat beautifully captures the pain, resilience, and sacrifice of the people during a dark period in Spain's history.