Believe it or not, the intervals on the standard piano are NOT equal!

It seems there is a manufacturing defect built into current piano keyboards.

 

I highly recommend Herr Gregory Shir's redesigned keyboard because it equalizes the upper width of the white keys.
--- Ms. Alvina Louie playing and commenting on Mozart piano

Because intervallic distances are more predictable, the C# (Db) and D# (Eb) keys are technically more accessible in all hand positions, irrespective of individual hand anatomy or finger patterns.
--- Ralph Alberstrom

It seems there is a manufacturing defect built into piano keyboards.
Believe it or not, the intervals on the standard piano are NOT equal!
Lay a finger between C# and D# notes, now lay your finger between F# and G# - you can feel the difference between the two pairs.
Between some white and black keys there are different distances. It's only about 3mm, but that is a big difference when you are trying to sightread without watching your hands.
--- Reseda Mickey

Hranush plays Mozart blindfolded

Our videos
youtube.com/
ptech1950

 

Read the article from the Overture - Musician's Union Local 47 newspaper
about the
new Mozart Piano Keyboard
invented by Gregory Shir

Los Angeles Professional Musicians'
Local 47 OVERTURE
(download article)
Una traducción al español ha sido gentilmente proporcionado por Sylvia Reyes.

 

Thanks and Acknowledgments for all of our projects:
Thomas Metzler Violins - metzlerviolins.com
Brand Public Library in Glendale
Musicians' Local 47 of Los Angeles
When the intervals ARE equal, difficult classical pieces are easier to play.  Look at our friend playing with her
EYES BLINDFOLDED:

Fur Elise-L.Beethoven 1st
by Hranush Martirosyan - With closed eyes

 

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