[Instrumental] [Intro] [cello enters with steady eighth-note bass line and chordal accompaniment] [Section A] [solo violin enters with rapid sixteenth-note ascending scales] [violin performs trills and mordents on cadence points] [Section B] [violin plays double stops and arpeggiated figures] [cello maintains rhythmic drive with consistent eighth-note pulse] [Section C] [violin performs wide melodic leaps and descending sequences] [cello provides contrapuntal support] [Outro] [violin and cello converge on a final sustained tonic chord with a Picardy third]