Question: String Quartet No. 14 is the one of a series of seventeen works in the medium by which Brazilian composer, written in 1953, who was described as "the single most significant creative figure in 20th-century Brazilian art music"?
Sentence (from "Heitor Villa-Lobos"): Heitor Villa-Lobos (] ; March 5, 1887November 17, 1959) was a Brazilian composer, described as "the single most significant creative figure in 20th-century Brazilian art music".
Relevant evidence: Yes