Question: What types of music strongly influenced the composer of Concerto Grosso?
Sentence (from "Concerto Grosso (Vaughan Williams)"): Originally composed in 1950 for a performance by the Rural Schools Music Association conducted by Sir Adrian Boult, the piece is unique in that the orchestra is split into three sections based on skill: Concertino (Advanced), Tutti (Intermediate), and Ad Lib (Novice) which only plays open strings.
Relevant evidence: No