Whole note Whole note In music, a whole note (American) or semibreve (British) is a note represented by a hollow oval note head and no note stem. Its length is equal to four beats in time, that is the whole measure (or bar). Most other notes are fractions of the whole note (e.g., half notes and quarter notes are played for one half and one quarter the duration of the whole note, respectively). The symbol is first found in music notation from the late thirteenth century, and its British name derives from the "semibrevis" of mensural notation. The whole note and whole
Grace note the bar in which they are contained - and therefore, do not require other notes to be dropped from the bar to keep the time signature intact. In bagpipe music there is extensive use of grace notes. Indeed, because the chanter is not tongued but supplied by a continuous air source from the bag, grace notes are sometimes the only way to differentiate between notes. For example, inserting a grace note between two crotchets (quarter notes) played at the same pitch is the only way to indicate them as opposed to them sounding like a single minim (half note). Various