C (musical note)

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Middle C audio speaker iconPlay 

C or Do is the first note of the C major scale.

Designation by octave[change | change source]

Scientific designation Helmholtz designation Octave name Frequency (Hz) Other names Audio
C−1 C͵͵͵ or ͵͵͵C or CCCC Octocontra 8.176 audio speaker iconPlay 
C0 C͵͵ or ͵͵C or CCC Subcontra 16.352 audio speaker iconPlay 
C1 C͵ or ͵C or CC Contra 32.703 audio speaker iconPlay 
C2 C Great 65.406 Low C, cello C, 8' C (see organ pipe length) audio speaker iconPlay 
C3 c Small 130.813 4' C or tenor C (organ), viola C audio speaker iconPlay 
C4 c′ One-lined 261.626 Middle C audio speaker iconPlay 
C5 c′′ Two-lined 523.251 Treble C, high C (written an octave higher for tenor voices)[1] audio speaker iconPlay 
C6 c′′′ Three-lined 1046.502 High C (soprano) audio speaker iconPlay 
C7 c′′′′ Four-lined 2093.005 Double high C[source?] audio speaker iconPlay 
C8 c′′′′′ Five-lined 4186.009 Eighth octave C, triple high C audio speaker iconPlay 
C9 c′′′′′′ Six-lined 8372.018 Quadruple high C audio speaker iconPlay 
C10 c′′′′′′′ Seven-lined 16744.036 Quintuple high C audio speaker iconPlay 

References[change | change source]

  1. "The Note That Makes Us Weep" by Daniel J. Wakin, The New York Times, September 9, 2007