5 is a guitar piece written by Brazilian composer Heitor Villa-Lobos.
The piece is subtitled "Homenagem à vida social" (Homage to Social Life), is in the key of D major, marked "Poco animato", and is the second of the Five Preludes, written in 1940.
The others are in E minor, E major, A minor, and E minor.
It was first performed, together with its four companions, by Abel Carlevaro in Montevideo on 11 December 1943.
[1] Written in 64 meter, this prelude evokes the waltzes danced by the upper classes of Rio de Janeiro in a bygone age.