Playing the song Exodus, demonstrates another first on the diatonic harmonica, the theme song from the movie sound track,” Exodus” is another example of the latent versatility in the old ten hole diatonic harmonica. The diatonic charges off the blues reservation and on to bigger challenges with its new way to play. If you had any doubts about ever being able to expand the range and overall capability of these two ounce instruments, this song should dispel them for ever. Joseph Richter would be proud to hear his invention conquer the old design limitations. Enter the Brave New World with the Harmonica Doctor and couple-up!!