Low C is the C one octave below Middle C, and is also named C3. It is named because it is considered the low note of the voice (only the baritones and basses go much lower). It is the low note of the tenor in classical music. For the numerical computation software, see GNU Octave. ... In music, the term middle C refers to the pitch-class C located between the staves of the grand staff. ... In music, a baritone is a male singer whose vocal range falls somewhere between that of a bass and a tenor. ... Bass or Basses can refer to many different things. ... In music, a tenor is a male singer with a high voice (although not as high as a countertenor). ... Classical music is music considered classical, as sophisticated and refined, in a regional tradition. ...