Johann Sebastian Bach he submitted them in the hope of gaining employment from Margrave Christian Ludwig of Brandenburg-Schwedt in 1721; his application was unsuccessful. These works are examples of the concerto grosso genre. Bach composed and transcribed concertos for one to four harpsichords. Many of the harpsichord concertos were not original works, but arrangements of his concertos for other instruments now lost. A number of violin, oboe, and flute concertos have been reconstructed from these. In addition to concertos, Bach wrote four orchestral suites, each suite being a series of stylised dances for orchestra, preceded by a French overture. In his early youth,
Brandenburg Navy Brandenburg Navy had almost thirty active warships. These ships were used primarily to secure control over hostile trade routes and maritime trading, as blockades and to provide naval defence, and to also provide reinforcement on various military operations, which would frequently involve engagements with unfriendly warships. In 1682, Frederick William, the prince-elector of Brandenburg, who was intensely involved in the navy's affairs, secured the navy a base at Greetsiel, but they shifted to Emden a year later. Frederick William died in 1688, and his descendants took no interest in the Brandenburg Navy. Frederick III and his grandson Frederick the Great