Double whole note Double whole note In music, a double whole note (American), breve (international), or double note (; ) is a note lasting two times as long as a whole note (or "semibreve"). It is the second-longest note value still in use in modern music notation (; ). In medieval mensural notation, the "brevis" was one of the shortest note lengths in use —hence its name, which is the Latin etymon of "brief". In "perfect" rhythmic mode, the brevis was a third of a "longa", or in "imperfect" mode, half a "longa" . In modern notation, a breve is commonly represented in
B (musical note) the Republic of Ireland, and the Netherlands, as described above, B usually refers to the note a semitone below C, while B-flat refers to the note a whole tone below C. However, in Germany, Central and Eastern Europe, and Scandinavia, the label B is used for what, above, is called B-flat, and the note a semitone below C is called H. This makes possible certain spellings which are otherwise impossible, such as the BACH motif. B (musical note) B, also known as Si, Ti, or, in some European countries, H, is the seventh note of the fixed-Do solfège. Its enharmonic