Cello concerto in B flat major, RV423 Cello concerto in B flat major Cello Concerto in B flat major Piano concerto in A flat major, op. 17 Piano concerto in E flat major, op. 60 Harp concerto in B flat major, HWV 294 Cello concerto in C major, op. 4 Concerto in B flat major, D 120 Horn Concerto in E flat major,K417 Horn Concerto in E flat major,K447