Musical note standardised at 440 Hz, lying in the octave containing notes from C (middle C) to B. The lowest note on most pianos is A, the highest C. The MIDI system for electronic musical instruments and computers uses a straight count starting with note 0 for C at 8.1758 Hz up to note 127 for G at 12,544 Hz. A written note can also have a note value, a code that determines the note's relative duration. In order of halving duration, they are: double note (breve); whole note (semibreve); half note (minim); quarter note (crotchet); eighth note (quaver); sixteenth note (semiquaver).;
Whole note of mensural notation, and this is the origin of the British name. The American name is a calque of the German . The Catalan, French and Spanish names for the note (meaning "round") derive from the fact that the was distinguished by its round stemless shape, which is true as well of the modern form (in contrast to the double whole note or shorter values with stems). The Greek name means "whole". Chinese, Japanese, Korean, and Vietnamese names mean "whole note". Whole note In music, a whole note (American) or semibreve (British) is a note represented by a hollow oval