String Quintet (Schubert) No. 3 in C major, K. 515 and Beethoven's String Quintet, Op. 29 in C major. According to Charles Rosen, the opening theme of Schubert's work emulates many characteristics of the Mozart quintet's opening theme, such as decorative turns, irregular phrase lengths, and rising staccato arpeggios (the latter appear only in Schubert's recapitulation). But whereas the string quintets of Mozart and Beethoven are composed for a string quartet augmented by a second viola, Schubert adopts a somewhat unconventional instrumentation, employing two cellos instead of two violas, creating richness in the lower register. Before Schubert, Luigi Boccherini had replaced the second
String Quintet (Bruckner) the frequent use of Sesto in the Ländler-like eighth-note of the first viola, which is due to the line of the second violin and the violoncello of the first part and refers directly to the trio in Scherzo. An airy counterpart of the first violin pushes playfully unstoppable upwards. The actual implementation theme becomes the starting point of a fugue whose theme is contrasted with a striking triplet figure. Finally, the recapitulation follows in D flat major. The coda is a jubilant conclusion. Josef Hellmesberger, on whose initiative the creation of the string quintet went back, rejected the Scherzo originally