Written at the height of their creator's time as Kappelmeister at Cothen in 1721, this set of works was drawn from the innovations of Vivaldi.  
The first of them calls for three oboes, a bassoon, continuo strings, and the violino piccolo, though most noticeable is the use of hunting horns.  The last of them was the first composed, but the third might be the most famous as the composer played the viola part, while the viola da gamba was played by the composer's patron, Prince Leopold.  Written at the height of their creator's time as Kappelmeister at Cothen in 1721, this set of works was drawn from the innovations of Vivaldi.  FTP, identify this set of six concertos by J.S. Bach named for a region of Germany.
The first of them calls for three oboes, a bassoon, continuo strings, and the violino piccolo, though most noticeable is the use of hunting horns.  
Brandenburg Concertos  (only need "Brandenburg" after concertos are mentioned)