Prolation Prolation Prolation is a term used in the theory of the mensural notation of medieval and Renaissance music to describe its rhythmic structure on a small scale, as opposed to "tempus", which described a larger scale. The term "prolation" is derived from the Latin "prolatio", first used by Philippe de Vitry in describing Ars Nova, a musical style that came about in 14th-century France. Prolation, together with tempus, corresponds roughly to the concept of time signature in modern music. Prolation describes whether a semibreve (whole note) is equal in length to two minims (half notes) ("minor prolation" or "imperfect prolation";
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