Originally written for piano, in the period 1930-1941. Villa-Lobos orchestrated the work in 1942.
Orchestral version:2 Flutes +1 picc, 2 oboes +1 English Horn, 2 Clarinets +1 Bass Clarinet, 2 Bassoons +1 Contra Bassoon - 4 Horns, 3 Trumpets, 3 Trombones, 1 Tuba - Timpani, 3 Percussion players (BD, tam-tam, xylo), Celesta, Strings
This work is one of the most popular works in the Villa-Lobos catalogue. Performances in the Villa-Lobos Concerts database (nearly 200 as of November 2011) are more or less evenly divided between the piano and orchestral versions.