Tchaikovsky: Piano Concerto No. 1 In B Flat Minor, Op. 23, TH.55 - 1. Allegro non troppo e molto maestoso - Allegro con spirito (柴可夫斯基：降B小调第一钢琴协奏曲，Op. 23, TH 55 - 第一乐章 十分庄严而不过分的快板 - 精神饱满的快板)