Is Cb the same note as B?

A video on YouTube. In Music Lessons, a Krater category.

Summary by Krater

This video investigates whether C flat and B are the same note. The presenter compares them through piano tuning, mathematical frequency calculations, and music theory, concluding that while they sound identical on the piano, they function differently in chord progressions and intonation.

From the video

Answers: Are C flat and B the same note?

C flat vs B enharmonic equivalence
piano tuning and temperament
intonation and just intonation
musical frequency ratios
sharp five chord function
sheet music notation vs piano roll

What it concludes

C flat and B sound identical on the piano but are spelled differently for alphabetic order in scales.
C flat and B have different harmonic functions and emotional qualities within a key like E flat major.
In just intonation, C flat and B are calculated with different frequency ratios, making C flat 640 Hz and B 625 Hz from a 400 Hz E flat reference.
Sheet music notation and piano roll notation serve different purposes, with sheet music aiding human perception of musical information.

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