The seven natural notes in music
          A          B           C           D           E           F           G            A         


        The first string
       E         F                G               A              B       C            D         E



            The second string
       B         C                D              E       F                  G         A          B



           The third string
           G                  A               B       C               D               E    F         G  



        The fourth string
       D                  E       F               G               A               B    C         D



            The fifth string
       A                  B       C               D               E       F           G          A   



            The sixth string
            E          F               G               A               B      C            D          E