Graphical musical user interface representation for presenting a stringed musical instrument composition, the stringed musical instrument composition including a plurality of note representations, the graphical musical user interface representation including a plurality of graphically encoded note path representations that include a plurality of graphically encoded note representations, and a plurality of graphically encoded note transitions, the plurality of graphically encoded note path representations are located in a coordinate system of the graphical musical user interface representation, each of the graphically encoded note path representations corresponding to a respective open-string pitch, of a respective string of a stringed musical instrument, the plurality of graphically encoded note representation are of a respective note group of note representations, the respective note group being associated with the respective string, each of the graphically encoded note path representations being encoded according to a respective graphical code, the respective graphical code being respective of said respective open-string pitch, each of the graphically encoded note representations representing respective tonal characteristics, relative to the respective open-string pitch, according to a coordinate of the respective graphically encoded note representation, in the coordinate system, and according to the respective graphical code, the plurality of graphically encoded note transitions being respective of the respective note group, each of the graphically encoded note transitions being encoded according to the respective graphical code.