View source for C (musical note)

[[File:Middle C.png|thumb|Middle C {{audio|Middle C.mid|Play}}]]
'''C''' or '''Do''' is the first [[musical note|note]] of the [[C major|C major scale]].
==Designation by octave==
{|class="wikitable"
![[Scientific pitch notation|Scientific]] designation
![[Helmholtz pitch notation|Helmholtz]] designation
!Octave name
!Frequency (Hz)
!Other names
!Audio
|-
|C<sub>−1</sub> || C͵͵͵ or ͵͵͵C or CCCC || Octocontra||align="right"| {{#expr:440 * 2^((0-69)/12) round 3}}|| ||{{audio|C8.18.mid|Play}}
|-
|C<sub>0</sub> || C͵͵ or ͵͵C or CCC || Subcontra ||align="right" | {{#expr:440 * 2^((12-69)/12) round 3}}|| ||{{audio|C16.35.mid|Play}}
|-
|C<sub>1</sub> || C͵ or ͵C or CC || Contra ||align="right" | {{#expr:440 * 2^((24-69)/12) round 3}}|| ||{{audio|C32.7.mid|Play}}
|-
|C<sub>2</sub> || C || Great ||align="right" | {{#expr:440 * 2^((36-69)/12) round 3}}|| Low C, [[cello]] C, [[eight foot pitch|8' C]] (see [[Organ stop#Pitch and length|organ pipe length]]) ||{{audio|C65.41.mid|Play}}
|-
|C<sub>3</sub> || c || Small ||align="right" | {{#expr:440 * 2^((48-69)/12) round 3}}||4' C or tenor C (organ), [[viola]] C ||{{audio|C130.81.mid|Play}}
|-
|C<sub>4</sub> || c&prime; || One-lined ||align="right" style="background-color:#ccf"| {{#expr:440 * 2^((60-69)/12) round 3}} || '''Middle C''' ||{{audio|Middle C.mid|Play}}
|-
|C<sub>5</sub> || c&prime;&prime; || Two-lined ||align="right" | {{#expr:440 * 2^((72-69)/12) round 3}}|| Treble C, high C (written an octave higher for [[tenor|tenor voices]])<ref>[https://www.nytimes.com/2007/09/09/weekinreview/09wakin.html "The Note That Makes Us Weep"] by Daniel J. Wakin, ''[[The New York Times]]'', September 9, 2007</ref> ||{{audio|Perfect octave on C.mid|Play}}
|-
|C<sub>6</sub> || c&prime;&prime;&prime; || Three-lined ||align="right" |{{#expr:440 * 2^((84-69)/12) round 3}}||High C ([[soprano]])||{{audio|Perfect fifteenth on C.mid|Play}}
|-
|C<sub>7</sub> || c&prime;&prime;&prime;&prime; || Four-lined ||align="right" |{{#expr:440 * 2^((96-69)/12) round 3}}|| Double high C{{citation needed|date=February 2019}} ||{{audio|C2093.01.mid|Play}}
|-
|C<sub>8</sub> || c&prime;&prime;&prime;&prime;&prime; || Five-lined ||align="right" |{{#expr:440 * 2^((108-69)/12) round 3}}||Eighth octave C, triple high C||{{audio|Eighth octave on C.mid|Play}}
|-
|C<sub>9</sub> || c&prime;&prime;&prime;&prime;&prime;&prime; || Six-lined ||align="right" |{{#expr:440 * 2^((120-69)/12) round 3}}|| Quadruple high C ||{{audio|C8372.02.mid|Play}}
|-
|C<sub>10</sub> || c&prime;&prime;&prime;&prime;&prime;&prime;&prime; || Seven-lined ||align="right" |{{#expr:440 * 2^((132-69)/12) round 3}}|| Quintuple high C ||{{audio|C16744.04.mid|Play}}
|}

==References==
{{reflist}}

{{music-stub}}

[[Category:Musical notes]]