24 Preludes, Op. 28: No. 6 in B Minor - No. 7 in A Major - No. 15 in D-Flat Major, "Raindrop" - No. 20 in C Minor (arr. F. Tarrega for guitar) - Prelude No. 20 in C Minor, Op. 28, No. 20 (C小调前奏曲，作品28 第20首)