Keyboard concertos by Johann Sebastian Bach the harpsichord concertos BWV 1052, 1053 and 1059. Based on harpsichord concertos and earlier cantata movements orchestral organ concertos were reconstructed and/or transcribed and arranged. The parts from the Concerto for four harpsichords BWV 1065 (Bach's arrangement of the Concerto for Four Violins, RV 580, by Antonio Vivaldi), have been dated to around 1730. Whereas the concertos with a single harpsichord soloist were composed partly to showcase Bach's own prowess at the keyboard, the others were written for different purposes, one of them being as —music for domestic performance within the Bach household at the Thomaschule in Leipzig. Johann Nikolaus
Jack Brandenburg a member of the board of the Huron-Clinton Metro Parks Authority. Brandenburg and his wife Karen Linenger are the parents of four children. Brandenburg is a Roman Catholic. Jack Brandenburg Jack Brandenburg (born October 22, 1951) is a Republican Michigan state senator. He was elected to office in 2010. Previously he had served for six years as a member of the Michigan House of Representatives and a member of that body's appropriations committee. Brandenburg was born in Canton, Ohio. He has a bachelor's degree from Ashland University. Brandenburg is a businessman who founded and owns Blue Water Industrial Supply, a