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In fact, the reason that the piano has 88 keys (or more than 7 octaves) is because that's the range that was finalized by the American Steinway piano makers in the early 20th Century. Until then, the piano's register had been growing constantly from the original 5 octaves (49 keys, F through F) of Mozart's pianos to 5.5 octaves (56 keys, F to high C) in Beethoven's required register, to 6 octaves (61 keys, F to high F) which were called for by Schubert, to 7 octaves (85 keys, A through high A), which is what most composers of the greatest piano music would have been content with. The Steinway manufacturers figured the highest note on the piano ought to be C rather than A, so they extended the range with three more keys in the upper register. It was there that the range of the modern piano would be finalized. Older pianos with 85 keys are still in existence though, especially in Europe. The Bösendorfer piano makers still make their "Imperial Grand" pianos with 100 keys, extending the range to over 8 octaves, from low C to D above that of the modern Steinway. Few composers have ever actually written for such a register, and as the extra notes are simply not popular enough to merit their being included in the standard piano, they remain only on the Bösendorfer Imperial Grand.

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15y ago
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14y ago

at 7 octaves there would be 75. over 7 octaves u just count by 7

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Q: Why does the pianos register include more than 7 octaves?
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(D1-)B♭1-E5(-C7) (I assume you mean octaves?) What this boils down to is 3 octaves plus six additional notes using "full voice". The notes in parentheses are his lowest note (using the vocal "fry" register), and his highest note (using falsetto/whistle). When including those registers, he has nearly 6 octaves of usable range, but these are not factored in when determining his true vocal range. (Keep in mind that these are simply the extremes of what he has hit over his entire recorded career. I would seriously doubt he has ever hit both of those notes in the same day) A vocal range featuring 3+ octaves of FULL voice is fairly rare. (Most classical/opera vocalists don't use any more than 2 and a half octaves) I'm also thinking that his vocal type is "low baritone"; essentially a baritone with a more powerful/extensive lower register, akin to a bass. (He may just be a standard baritone though) Hope this helps!


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(D1-)B♭1-E5(-C7) (I assume you mean octaves?) What this boils down to is 3 octaves plus six additional notes using "full voice". The notes in parentheses are his lowest note (using the vocal "fry" register), and his highest note (using falsetto/whistle). When including those registers, he has nearly 6 octaves of usable range, but these are not factored in when determining his true vocal range. (Keep in mind that these are simply the extremes of what he has hit over his entire recorded career. I would seriously doubt he has ever hit both of those notes in the same day) A vocal range featuring 3+ octaves of FULL voice is fairly rare. (Most classical/opera vocalists don't use any more than 2 and a half octaves) I'm also thinking that his vocal type is "low baritone"; essentially a baritone with a more powerful/extensive lower register, akin to a bass. (He may just be a standard baritone though) Hope this helps!


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It is extremely rare for a person to be able to match their voice to every key on the piano. Not many people have a vocal range above an octave. Many professional singers can not sing more than two octaves. Three octaves is quite difficult. Four octaves is rare. And five octaves makes the history books.


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