Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051 (arr. J. F. Smith for guitar quartet): Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051 - II. Adagio ma non tanto (arr. for guitar quartet) (降B大调第六勃兰登堡协奏曲,BWV 1051(J. F. 史密斯为吉他四重奏改编) - 第二乐章 不过分的柔板(为吉他四重奏改编))