![]() A high quality sharping lever will have enough mass and rigidity so that it does not dissipate the string energy and, instead, forces the vibrations back down to the soundboard where they belong.Īll sharping devices, including blades, hooks and pedals, displace the string slightly. This is similar to the first fret on a guitar except that on a harp the sharping lever makes the fret movable, engaging and disengaging the string. Sharping levers achieve this by shortening the vibrating length of the string a specific amount with an added fret while slightly stretching the string. ![]() ![]() Levers also provide for accidentals when necessary. ![]() The sharping lever allows the harper to play in different keys without having to retune the instrument. For example, a string tuned to F when the sharping lever is neutral becomes an F# when the sharping lever is engaged or, more interestingly, for those who want to have the key of F in their harp, a string tuned to B-flat when the lever is neutral becomes B-natural when the lever is actuated. A sharping lever (not, “sharpening” lever) is a device which raises the pitch of the string one half step.
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