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
Concerti grossi, Op. 6 (Handel) seventh concerto is the only one for full orchestra: it has no solo episodes and all the movements are brief. The first movement is a "largo", ten bars long, which like an overture leads into the "allegro" fugue on a single note, that only a composer of Handel's stature would have dared to attempt. The theme of the fugue consists of the same note for three bars (two minims, four crotchets, eight quavers) followed by a bar of quaver figures, which with slight variants are used as thematic material for the entire movement, a work relying primarily on rhythm. The