Piano Sonata No. 2 in B Flat Minor, Op. 35 - Piano Sonata No. 2 in B-Flat Minor, Op. 35 - I. Grave - Doppio movimento (降B小调第2号钢琴奏鸣曲，作品35：第一乐章 庄严的，快一倍的速度) (1984 Recording)