Abstract: The stringless fret instrument to be played as on a twitch instrument consists of the neck (1) on which there are frets (2) located transversely to a lengthwise axis of the neck (1), between which there are situated, in rows parallel with the axis of the neck (1), digital tone push-buttons (3), and of the body (5) equipped with the management (6) of the synthesizer accompaniment, a loudspeaker (4) and a direct current charger. Above each row of digital tone push-buttons (3), there is a flexible rope (31) situated in a lengthwise rabbet (32) created in the neck (1) parallel with the lengthwise axis of the neck (1), movable in the direction to digital tone push-buttons (3), fixed at least on the neck (1) behind the side digital tone push-button (3). The management (6) of the synthesizer accompaniment consists of three mutually parallel rows of keys (7 to 18) each of which consisting of four tone keys (7 to 18).