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";
2000s in the music industry of sites that sponsor artists and allow users to download music in exchange for advertising for the artist. Music is essentially free to users essentially costing only the time it takes to post information about the artist downloaded on Facebook, Twitter, or email. Another example was the release of the Radiohead album "In Rainbows" in which users could download the album and name their own price. The idea of pay what you want music consumption is new, but catching on with users and growing. This trend has broader implications in the use of formats. It has been a trend in