How long is the brandenburg concertos?

The Brandenburg Concertos are a set of six concertos by Johann Sebastian Bach, composed in 1721. The concertos are named after Christian Ludwig, Margrave of Brandenburg-Schwedt, to whom they were dedicated. The concertos vary in length, with the shortest being about 15 minutes long and the longest being about 25 minutes long. The total length of all six concertos is about 1 hour and 30 minutes.