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) the banners "Verdi tuning", "philosophical pitch" or the easily confused scientific pitch. Middle C (the fourth C key from left on a standard 88-key piano keyboard) is designated C in scientific pitch notation, the most commonly recognized in auditory science, while both C and the Helmholtz designation c′ are used in musical studies. Other note-octave systems, including those used by some makers of digital music keyboards, may refer to Middle C differently. In MIDI, Middle C is note number 60. While the expression "Middle C" is generally clear across instruments and clefs, some musicians naturally use the term to refer