降D大调第15号前奏曲，C.180 “雨滴” [24首前奏曲，Op.28, C.166-189] (24首前奏曲，Op.28, C.166-189 - 24 Préludes, Op. 28, C. 166-189 - 15. Sostenuto in D-Flat Major, C. 180 "Raindrop Prelude")