Abstract: A guitar with a sliding base, enabling to play in the same guitar, either, with left hand, or with right hand. Wherein, the first end of the connecting section of the guitar strings, located at the guitar wide area, connected to the present invention system, that includes part that connected to the guitar body, and has a track that another part is connected to, wherein, one side of the upper part, is detachable and enabling to slide the upper part from one side of the track to another side of the track, causing reversal and turning the upper part upper side to face the guitar body, and the part that was face to the guitar body staring up. Whereby, the guitar strings are connected to that system, while turning the system of the present invention up side down, the guitar strings are changing direction on the guitar body.