Section A modulates from Bm to F#m (tonic to dominant minor)
Section B modulates from F#m to Bm (dominant minor to tonic)
Chords usually change every crotchet beat, sometimes on every quaver beat
V7 (dominant 7th) chords and iio diminished 2nd (supertonic)
In Section A it modulates to Amaj in bar 8, and F#m in bar 12
In Section B, it modulates to Em in bar 20, Dmaj in bar 24, Gmaj in bar 25
Uses perfect and imperfect cadences as well as pivot chords when modulating