La Casa De Papel - Bella Chao - — Diego Moreno (original Artist)

: Originally sung by "mondine" (rice-paddy weeders) in Northern Italy's Po Valley. These women sang it to protest backbreaking labor, low pay, and harsh supervisors.

: Moreno is an Argentine-born artist living in Naples, Italy, known for blending Latin rhythms with Italian folk. : Originally sung by "mondine" (rice-paddy weeders) in

: During WWII, the lyrics were adapted by the Italian resistance fighting against Nazi occupation and Mussolini’s fascist regime. This version changed the "goodbye" from a worker's lament to a partisan’s farewell as they headed to the mountains to fight. Significance in La Casa de Papel : During WWII, the lyrics were adapted by

In the series, the song acts as a symbol of the robbers' rebellion against a "rigged system". : According to the show's lore, The Professor's

: According to the show's lore, The Professor's grandfather—a partisan in Italy—taught him the song, framing the heist not as a simple crime, but as an act of resistance.

The song has two distinct historical versions that precede any modern recording: