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
Symphony No. 5 (Vaughan Williams) minims in a fast 3/4 time, then minims for four bars, which create hemiolas and then crotchets. This gives the illusion that the music is accelerating, and so the pulse does not settle. When the melodic line begins, the music is divided into five bar phrases. A sense of stability is established when the theme is repeated by the viola and double bass in stable two bar phrases. However the violins enter with phrasing that does not conform to either pattern, thus adding more confusion. Using this rhythmic phrasing, the dorian line played on the violins and the aeolian woodwind