A duet is a musical composition for two performers in which the performers have equal importance to the piece, often a composition involving two singers or two pianists.
It differs from a harmonyas the performers take turns performing a solo section rather than performing simultaneously. A piece performed by two pianists performing together on the same piano is a " piano duet " or " piano four hands ".
A musical ensemble with more than two solo instruments Duett turns into three voices is called trioquartetquintetsextetseptetoctetetc. When Mozart was young, he and his sister Marianne played a duet of his composition at a London concert in The four-hand, described as a duet, was in many of his compositions which included five sonatas ; a set of variationstwo performers and one instrument, and a sonata for two pianos.
The first published sonata or duet was in Duets have always been a part of the structure of operas. Early 16th-century operas such as L'Orfeo and L'incoronazione di Poppea involve duets throughout the performance.
In 17th-century Italy duets were often used in comic scenes within serious operas. In Baroque France the duet was popular in tragedies, such as songs of vengeance and confrontation.