Hi, I've only done one set - used the Keytop Cement (which looks and smells just like Elmer's white glue) from a piano part supplier. The old ivories came off well with the iron to loosen the tops - only did tops, not fronts. New ones have held fine so far (almost a year now). A local technician I 'used' to work for on cabinet refinishing said he always uses superglue for keytops. I have no comment about that nor any opinion - its just what he told me. Dorie
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