Piano Concerto No. 1 in F Major, K. 37 - I. Allegro (F major, 168 bars)after Violin Sonata in F major, Op.1 No.5 by Raupach (ca.1762, 1st mvt.) (F大调第1号钢琴协奏曲，作品037 - 第一乐章 快板)