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.
It is tuned G3 G2, D3 D2, G3 G3, B3, D3 D3.
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.