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This document discusses different types of string instruments, including the violin, cello, and double bass. It provides details about each instrument's construction, how it is played, and its role and sound within an orchestra. Specifically, it notes that the violin produces the highest sound, is made of spruce or maple, and is played on the left shoulder. It describes the cello as larger than the violin but smaller than the double bass and is played seated. For the double bass, it mentions it is over 2 meters long and can be played either standing or seated on a high stool.Read less