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
A Dance to the Music of Time (painting) A Dance to the Music of Time (painting) A Dance to the Music of Time is a painting by Nicolas Poussin in the Wallace Collection in London. It was painted between about 1634 and 1636 as a commission for Giulio Rospigliosi (later Pope Clement IX), who according to Gian Pietro Bellori dictated its detailed iconography. The identity of the figures remains uncertain, with differing accounts. The painting is well known for giving its name to the "A Dance to the Music of Time" novel cycle, though this title is first seen in a Wallace Collection catalogue of 1913. Before that