Choros nº 4, W218
Chôros No. 4 is a quartet for three horns and trombone, written in 1926 by the Brazilian composer Heitor Villa-Lobos. It forms a part of a series of fourteen numbered compositions collectively titled Chôros, ranging from solos for guitar and for piano up to works scored for soloist or chorus with orchestra or multiple orchestras, and in duration up to over an hour. Chôros No. 4 is one of the shorter members of the series, a performance lasting about five-and-a-half minutes.

