The note “C” is the third letter of the musical alphabet and is the first note of the C Major scale. This is known as the tonic and is identified as “Do” in solfeggio. In France it is called “Ut”. The note “Ut” comes from the Guidonian System.
“C” is typically the note from which pianos and organs are tuned and is the abbreviation used on the staff to show common time.
The frequencies of the audible pitches of the note “C” are notated below:
