Smetak
- साल: 2018
- देश: Brazil
- शैली: Documentary
- स्टूडियो: Gambiarra Sonora
- कीवर्ड: musician, experimental
- निदेशक: Nicolas Hallet, Simone Dourado, Mateus Dantas
- कास्ट: Walter Smetak, Mateus Dantas, Rogério Duarte, Thomas Gruetzmacher, Guilherme Magalhães Vaz, Marco Scarassatti
