Eighth note flag note flag (see Figure 1). The stem is placed to the right of the notehead and extends upwards if the notehead lies below the middle line of the staff, and to the left of the notehead extending downwards if the notehead lies on or above the middle line of the staff, in instrumental notation. In vocal music, a middle-line notehead extends upward instead of downward. A related symbol is the eighth rest (or quaver rest), which denotes a silence for the same duration . In Unicode, the symbols U+266A (♪) and U+266B (♫) are an eighth note and beamed
Grace note such time as audio recording was implemented, and even then, only a composer's personal or sanctioned recording could directly document usage. As either an appoggiatura or an acciaccatura, grace notes occur as notes of short duration before the sounding of the relatively longer-lasting note which immediately follows them. This longer note, to which any grace notes can be considered harmonically and melodically subservient (except in the cases of certain appoggiaturas, in which the ornament may be held for a longer duration than the note it ornaments), is called the "principal" in relation to the grace notes. A Grace note or