A Metralhadora e o Contrabaixo
- An: 2023
- Pays: Brazil
- Genre: Documentaire
- Studio:
- Mot-clé: communist, coup d'etat, argentina, struggle for survival, brazil, dictadura argentina, brazilian cinema, ditadura
- Réalisateur: Rafael Madrid
- Jeter: Nestor Madrid, Cristina Madrid, Roberto Luis Vaccaro