: 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.
: 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. : 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
: His version, featuring a Spanish adaptation of the partisan lyrics, was included in his album Canciones Revolucionàrias Latinoamericanas . This specific arrangement helped popularize the song's "Resistance" theme globally alongside the Netflix series. The True Origins of "Bella Ciao" : During WWII