The fifth of these works has a long solo cadenza for the harpsichord.
One of these compositions begins in 3/8 time and is essentially a triple concerto for violin and two "flauti d'echo," with the violin playing the bass line at points. The last of these compositions features a third movement gigue that turns out to be a set of variations on a ritornello theme presented in the first movement. The first of these compositions features horn calls and ends with a polacca and trio, and may have been derived from the composer's (*) Hunting Cantata. The sixth is scored for viola, cello, viola da gamba, violone, and harpsichord, notably omitting violins. The fifth of these works has a long solo cadenza for the harpsichord. For 10 points, name these six compositions by J.S. Bach, named for the state ruled by Margrave Christian Ludwig.
One of these compositions begins in 3/8 time and is essentially a triple concerto for violin and two "flauti d'echo," with the violin playing the bass line at points.
Brandenburg Concertos [or Six Concerts Ã  plusieurs instruments]