Viola de arame
The Viola de arame is a stringed musical instrument from the Portuguese island of Madeira. It has 9 strings in 5 courses. The strings are made of steel.
Tuning
It is tuned G3 G2, D3 D2, G3 G3, B3, D3 D3 so "Open G Major".The two lowest courses are tuned in octaves. The three higher ones are tuned in unison. However, the 2nd highest course is a single string instead of a pair like the rest.
The scale length is about 560mm.