Strangely it seems that after dozens of applications, suddenly the French Polish is done. One last application and the shine magnifies and you just know, it is done. We are at that point with the two concerts. Time to attach the bridges and string them up.
The next built is progressing well. The backs are now finished, the whittling stage of the tone bars is done.
Now the tone bars are being glued to the sound boards.
when looked at carefully one can see why the Kasha bracing develops such volume and sustain. It acts like a large bellows activated by the strings. Simply, more of the top vibrates with the Kasha design.