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).;
Cue note played or not played, depending on the conductor's decision. This practice is particularly common in recordings of orchestral film music, where they often like to try out several orchestral colors and weightings in just one recording session and therefore use cued passages to try out other options. Cue note In musical notation, a cue note is or cue notes are indications informing players, "of important passages being played by other instruments, [such as an] entrance after a long period of rest." A cue may also function as a guideline for another instrument for musical improvisation or if there are many