sentences:  Thus, one violin and one viola in the orchestra tune their strings to the natural harmonics of the bass player.The second movement can be loosely described as a set of variations adapted from the third of his Six Bagatelles for Wind Quintet (an arrangement of the seventh piece from "Musica ricercata") but slowed down and nearly two octaves lower.The concerto is scored for a solo violin accompanied by an orchestra with the following instrumentation.