Numbered musical notation and so on. Dashes after a note lengthen it, each dash by the length of a quarter note. A dot after the plain or underlined note works increases its length by half, and two dots by three quarters. The underline, along with its joining, are analogous to the number of flags and beaming in standard notation. So are dotted notes. But the analogue stops at notes worth three quarter notes and beyond, where dashes are used instead. The number "0" represents the musical rest. The rules for length is similar to that of the note, except that it is customary
C (musical note) defining note of the soprano voice type. It is "C" in scientific pitch notation (1046.502 Hz) and "c'''" in Helmholtz notation. The term "Tenor C" is sometimes used in vocal music to refer to C, as it is the highest required note in the standard tenor repertoire. The term "Low C" is sometimes used in vocal music to refer to "C" because this is considered the divide between true basses and bass-baritones: a "basso" can sing this note easily whereas other male voices, including bass-baritones, typically cannot. "Tenor C" is an organ builder's term for small C or C (130.813