Violin Concerto No. 1 in A Minor, BWV 1041 - Violin Concerto No.1 in A minor, BWV 1041:1. (Allegro moderato) (A小调第1号小提琴协奏曲，作品1041 - 第一乐章：有节制的快板 - 第一乐章，中庸的快板)