I understand that the pitch of the 3rd and 5th overtones can be adjusted to match correctly to the fundamental when tuning a reed (the inharmonicity). This is achieved by adjusting the profile of the reed rather than just filing the base or the tip to lower or raise the overall pitch. The reed tongue vibrates in a figure 8 pattern if not filed flat. All this shows up in the overtones.   Problem is... there are plenty of tuners that show the root frequency and some that have built in spectr