String Quintet No. 3 (Mozart) String Quintet No. 3 (Mozart) The String Quintet No. 3 in C major, K. 515 was written by Wolfgang Amadeus Mozart. Like all of Mozart's string quintets, it is a "viola quintet" in that it is scored for string quartet and an extra viola (two violins, two violas and cello). The work was completed on April 19, 1787, less than a month before the completion of his stormy G Minor Quintet, K. 516. This would not be the last time that a great pair of C major/G minor works of the same form would be published in close proximity and
String Quintet (Schubert) viola with a second cello; however, Schubert's use of the second cello is very different from Boccherini's, who uses the additional cello to create an additional viola line. Alfred Einstein has proposed that Schubert's use of a second cello to enhance the lower strings may have been suggested by George Onslow, who used a double bass in some of his quintets. The string quintet consists of four movements in the usual quick-slow-scherzo-quick pattern: In common with other late Schubert works (notably, the symphony in C major, D. 944, the piano sonata in B-flat major, D. 960, and the string quartet