The instruments not quoted in the above extract simply double the voice parts. These are written rather injudiciously low—the result, probably of the composer's inexperience, as he was only seventeen years of age when he wrote the mass; but the counterpoint is very good, and the moving figure for the violins gives great animation to the fugue.
443. Among modern composers, Mendelssohn has been conspicuously successful in his treatment of the accompanied fugue. It is needless to quote examples, which would only be further illustrations of the points shown in passages already given; but we may refer students to the fugue on the words, "Behold now total darkness covereth the nations," in the chorus, "Rise up, arise!" of 'St. Paul,' and the final chorus of the 42nd Psalm, as excellent specimens of this class of composition.
444. We have several times referred to Mozart's wonderful mastery of every scientific device. Our final example will give one more illustration of this.
