Chopin Nocturne in C minor, Op. 48-1 prolongation of arpeggio, measures 1-4

Elaboration of the tonic arpeggio as prolongation in Chopin, Op. 48, measures 1-4, per Forte, Allen (1979). Tonal Harmony in Concept and Practice, p.426. Holt, Rinehart, and Winston. ISBN 0-03-020756-8; image/audio made from score at the IMSLP.