This guitar is typical from Madeira Island and makes part of the family of all the other portuguese regional guitars.
Its name comes from the fact that all strings are metallic (usually brass).
This guitar was once used to play “charamba” (traditional folk music) but nowadays it is used for different types of music, and it is exploited to the fullest by musicians who use unconventional techniques.
In its different configurations of construction, these are the most popular:
Top: Linden, Spruce
Sidesand back: Walnut, Rosewood
Fretboard: Wenge, Rosewood, Ebony
Tuners: Tuning machine, Wood Pegs