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
Blue note Blue note In jazz and blues, a blue note is a note that—for expressive purposes—is sung or played at a slightly different pitch than standard. Typically the alteration is between a quartertone and a semitone, but this varies among performers and genres. The existence of the blue note within music derives, in part, from the fact that equal temperament in western diatonic harmony is an artifice or compromise originally employed in the eighteenth century to address problems posed in the creation of keyboard instruments. Equal temperament was an artificial 'straightening out' of a tendency for the natural harmonic series (musical