The Viola Sertaneja is a
stringed musical instrument
String instruments, stringed instruments, or chordophones are musical instruments that produce sound from vibrating strings when a performer plays or sounds the strings in some manner.
Musicians play some string instruments by plucking the st ...
from
northeastern Brazil
The Northeast Region of Brazil ( pt, RegiĆ£o Nordeste do Brasil; ) is one of the five official and political regions of Brazil, regions of the country according to the Brazilian Institute of Geography and Statistics. Of Brazil's twenty-six state ...
. It has 10 strings in 5 courses. The strings are made of steel. It is tuned E2, A3, D4, G4, B3, E4 E4 E4.
References
The Stringed Instrument Database
ATLAS of Plucked Instruments
String instruments
{{viola-stub