The image that has been given in the context comprise the musical notes. Among the given notes, option B is not the middle C.
What are musical notes:
Music comprises several pitches that together make up the standard note of the music. The chromatic scale is used by the majority of musicians. There are seven main musical notes in the chromatic scale: A, B, C, D, E, F, and G.
Each of them represent a different pitch or frequency. The "middle" A note, for example, has a frequency of 440 Hz, whereas the "middle" B note has a frequency of 494 Hz.
The sharp and flat notes are two variations of each of these notes. A half step up is a sharp, and a half step down is a flat. The C-sharp, for example, is a half-step up from C.
Therefore, the correct option is B.
Learn more about the musical notes here:
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