Mandolin
The mandolin has 4 double strings that are tuned like a violin: G-D-A-E (from low to high), that is, by overlapping fifths. Unlike a 12-string guitar, the double strings are tuned exactly the same.
It is an instrument that is played with a pick and one of the techniques that are used the most is the tremolo, which consists of repeatedly playing a note with rapid movements of the pick.
Acquire this excellent instrument that in addition to being small and resistant to go anywhere with a weight of fewer than two pounds in the case, it adds, the quality of the design and a two-point flash that gives it an indescribable sound chamber.