The fourth String Quartet was written in Rio in 1917, and dedicated to Frederico Nascimento.
Movements:
String Quartet
Associated Music Publishers, New York
Villa-Lobos, Heitor. 1956. String quartet No. 4. New York, NY: Assoc. Music Publ.
Premiere performance by the Quarteto Borgerth, October 8, 1949.
There are sixteen records in the Villa-Lobos Concerts database, as of January 2012.