Music of the Trecento system of division of the breve into 2, 3, 4, 6,8, 9, or 12 semibreves (later minims) with dots (singular "punctus divisionis") indicating breaks at the end of a breve (however, Marchetto never used a term 'punctus divisionis'). Although more Trecento music is written in the international system of notation descended from Franco of Cologne and Philippe de Vitry than in the Marchettian system (and there exist a few, mostly instrumental, works not of Italian origin that use this system), nonetheless, Marchetto's contribution to rhythmic notation is so connected with the Italian Trecento that it is often referred to as
Note value of the 18th century and earlier the amount by which the dot augmented the note varied: it could be more or less than the modern interpretation, to fit into the context. To divide a note value to three equal parts, or some other value than two, tuplets may be used. However, see swung note and notes inégales. Although note heads of various shapes, and notes with and without stems appear in early Gregorian chant manuscripts, many scholars agree that these symbols do not indicate different durations, although the dot is used for augmentation. See neume. In the 13th century, chant