a new form of orchestral composition that appeared in the late seventeenth century.
a concerto that contrasts the timbre of the full orchestra (ripieno) with those of a smaller group of instruments (concertino or concertato). The most important orchestral genre of the baroque.
Instrumental ritornello form from the Baroque, where a small group of solo players (the concertino) alternates with the large orchestra ( ripieno). Usually there are three movements, fast-slow-fast.