OK, thanks to the good offices and generosity of our dearest Imi, I now have a finished top - well very very nearly.
Piano keys - who knew?
Having added a little border each end, then the keys (mostly from Imi's stash) then another little border, the moment came. Tantatara ...
The long straight side strips cut by my lovely mentor ...
Attached and steam-rollered.
Just one little bit to go, right in the middle -