Piano Index & Glossary

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  • Laminate, lamination -- Thin layers of wood glued together in order to form a single, stronger piece of wood for making the rim and the pinblock.
  • Leg Plates -- Two pieces of metal that lock the leg to the main body of the piano.
  • Letoff -- The point during the hammer stroke at which the jack slips out from under the knuckle thereby preventing the hammer from blocking against the string.
  • Letoff button -- The adjusting screw that regulates letoff.
  • Lid -- The large cover that tops the piano.
  • Listing -- Often called string braid, the listing is a piece of cloth braided through the far end, non-speaking part of the string to dampen unwanted sounds.
  • Loop stringing -- In stringing, loop stringing is a procedure where the string is attached to one tuning pin then bent around the hitch pin and then comes back and is attached to another tuning pin, thereby forming a loop. This procedure is different from tie-off stringing where the each string is tied individually to its own hitch pin.
  • Lost motion -- Excessive downward movement of the key before engaging the action due to parts being out of adjustment.
  • Lyre -- The support posts for the pedals.
  • Lyre braces -- Diagonal braces that support the back of the lyre, preventing forward and backward motion while using the pedals.

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