A key signature on a piano is not a piano key. In my case, I actually have signatures on the wood vertical sides of the first 2 keys and the last 7 keys. I have tried to research their names, but the Weber piano was built in 1889.
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DAWG replies:
Based on this info, I can only assume that you mean that someone literally signed a name on the sides of some of the keys?
Could it be that the piano was repaired and a repairman who worked on it left a record? Here's a link that may help.
http://kansascitypianotuning.com/piano-tuning/piano-repair/
I think it's possible that a clever repairman made notes of which keys were repaired/replaced, possibly to leave a record of which keys were under warranty.
If there are no date codes I'd be inclined to believe that the signed keys were those needing repair, rather than the signatures on nine keys representing nine routine service calls for tuning for instance. If the piano was subject to high humidity (in Louisiana for instance) then multiple key replacements from swelling may have been a regular service problem in that region.
I'm just spitballing because in my type of service work I leave a detailed record of the work performed for billing and warranty purposes. That way another service tech doesn't have to see the entire service history to know if a replacement part fails more than once. This would have been good business, especially before phones and computers made accessing the service record so easy.
Without seeing the sigs that's my best guess.
Make sense 2 ewe?
There are 88 keys on a piano (52 white keys and 36 black keys).
A normal piano has 88 keys. A "Cottage piano" has 64 keys. The 7'4'' Bosendorfer has 92 keys. The 9'6'' Bosendorfer has 97 keys. Standard pianos have 88 keys.
36 black keys are on a piano.
88 KEYS on a Piano
On a standard upright or grand piano, there are 88 keys.
There are 88 keys on a piano (52 white keys and 36 black keys).
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88 Piano Keys
There are 88 keys on a piano.
A normal piano has 88 keys. A "Cottage piano" has 64 keys. The 7'4'' Bosendorfer has 92 keys. The 9'6'' Bosendorfer has 97 keys. Standard pianos have 88 keys.
36 black keys are on a piano.
88 KEYS on a Piano
On a standard upright or grand piano, there are 88 keys.
something about 88 piano keys
Keys that have the same tonic but different key signatures are called relative keys.
There are several techniques for playing the black keys on the piano, including using the fingers to press down on the keys, using the thumb to play the lower black keys, and using the wrist to navigate between black keys while playing.
88 keys