Third Sonata for Two Violins: Movement II Aria con Variatione

(Starts at 5:16)

Sheet Music - Page 10: https://vmirror.imslp.org/files/imglnks/usimg/7/7e/IMSLP763706-PMLP812127-Bologne_-_Sonata_3_for_two_violins.pdf 

Theme and Variation / Ornamentation: Starting on Page 10 of the score, every variation section is marked in the music.
-1st Variation: Ornamentation, octaves, arpeggios, and neighbor tones
-2nd Variation: Double Stops (thirds)
-3rd Variation: Further ornamentation, large arpeggios, scaler passages