The Viola Beiroa 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 Castelo Branco, Eastern Portugal. It has 12 strings in 7 courses. The strings are made of steel. It is tuned D3, D3, A3 A2, D3 D2, G3 G2, B3 B3, D3 D3. The scale length is about 520mm.
External links
The Stringed Instrument DatabaseATLAS of Plucked Instruments
String instruments
Portuguese musical instruments
{{viola-stub
pt:Violas portuguesas#Viola beiroa