Caprice no. 2 is a loose semblance of a Theme and Variations. While short, there is still a lot of material packed into a few minutes, and I find it's a great all-encompassing etude for warming up and hitting your double-stops, triplets and bariolage . The Theme (m.m. 1-8) has a song-like quality, and it is helpful to practice without the double and triple-stops to get an idea of the flow for the melody. It is quickly followed by a bariolage section (m.m. 9-16) in the relative minor key of e , which I think does well in a more hushed, mysterious tone, building up to the forte in m. 15. Measures 17-22 are a bit curious with the break from the traditional eight-bar phrase to a four-measure phrase repeated, followed by a three-measure phrase (also repeated). The end of this section marks the end of the theme/variations, as the character, form and key shift going into the triplet section. It helps to think of the piu moto (mm. 25-44) in groups of two measures, ...
Recording Bartolomeo Campagnoli's 41 Caprices for Solo Viola.