Note value Note value In music notation, a note value indicates the relative duration of a note, using the texture or shape of the "note head", the presence or absence of a "stem", and the presence or absence of "flags/beams/hooks/tails". Unmodified note values are fractional powers of two, for example one, one-half, one fourth, etc. A rest indicates a silence of an equivalent duration. The breve appears in several different versions, as shown at right. The first two are commonly used; the third is a stylistic alternative. Sometimes the longa or breve is used to indicate a very long note of indefinite
Ghost note are also called "dead notes", "muted notes", "silenced notes" or "false notes". Ghost notes, however, are not simply the unaccented notes in a pattern. The unaccented notes in such a pattern as a clave are considered to represent the mean level of emphasis—they are neither absolutely emphasized nor unemphasized. If one "further" deemphasizes one of these unaccented notes to the same or a similar extent to which the accented notes in the pattern are emphasized, then one has 'ghosted' that note. In a case in which a ghost note is deemphasized to the point of silence, that note then represents