Counterpoint – From Wikipedia, the free encyclopedia
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In 1725 Johann Joseph Fux published Gradus ad Parnassum (Steps to Parnassus), in which he described five species:
– Note against note;
– Two notes against one;
– Four (extended by others to include three, or six, etc.) notes against one;
– Notes offset against each other (as suspensions);
– All the first four species together, as "florid" counterpoint.
A succession of later theorists quite closely imitated Fux’s seminal work, often with some small and idiosyncratic modifications in the rules.