Bach, JS : Brandenburg Concertos Nos 1 - 6, Triple Concerto & Organ Concerto

Brandenburg Concerto No. 6 in B-Flat Major, BWV. 1051 - I. Allegro moderato (降B大调第6号勃兰登堡协奏曲,作品1051 - 第一乐章,中庸的快板)