During this festive Impromptu from 2015, members of the Chamber Music Society of Lincoln Center performed a pair of the great Brandenburg Concertos by Bach: No. 5 in D major, BWV 1050, and No. 6 in B-flat major, BWV 1051.
Chamber Music Society of Lincoln Center
(Source: RP-F-2001-7-875-1 rijksmuseum.nl)