The intermedio, in the Italian Renaissance, was a theatrical performance or spectacle with music and often dance, which was performed between the acts of a play to celebrate special occasions in Italian courts. It was one of the important precursors to opera, and an influence on other forms like the English court masque. Weddings in ruling families and similar state occasions were the usual occasion for the most lavish intermedi, in cities such as Florence and Ferrara. Some of the best documentation of intermedi comes from weddings of the House of Medici, in particular the 1589 Medici wedding, which featured what was undoubtedly both the most spectacular set of intermedi, and the best known, thanks to no fewer than 18 contemporary published festival books and sets of prints that were financed by the Grand Duke.

Renaissance music is traditionally understood to cover European music of the 15th and 16th centuries, later than the Renaissance era as it is understood in other disciplines. Rather than starting from the early 14th-century ars nova, the Trecento music was treated by musicology as a coda to Medieval music and the new era dated from the rise of triadic harmony and the spread of the contenance angloise style from Britain to the Burgundian School. A convenient watershed for its end is the adoption of basso continuo at the beginning of the Baroque period.