7-9.Concerto no. 6 in B flat major, BWV 1051 Concerto no. 6 in B flat major, BWV 1051 Concerto No.6 in B flat major, BWV 1051 Concerto no.6 in B flat major BWV 1051 Concerto No.6 in B flat major,BWV 1051 Cello concerto no. 1 in E flat major, op. 107 Concerto No.6 in B Flat Major, BWV 1051 Concerto No.6 in B-flat major,BWV 1051 Horn concerto No.4 in E flat major, Kv 495 Piano concerto no. 2 in B flat major, op. 19