Keyboard concertos by Johann Sebastian Bach left Weimar in 1717. Many of Bach's orchestral harpsichord concertos are adapted from a model with one or more violin solo parts. Several of these earlier models are extant. The oldest of these is Vivaldi's concerto for four violins, RV 580, published in 1711, model for Bach's concerto for four harpsichords, BWV 1065. Bach replaced the part of his fourth "Brandenburg Concerto", BWV 1049, composed in 1721 or earlier, by a harpsichord part when he reworked it to the harpsichord concerto BWV 1057. Bach's extant violin concertos BWV 1041–1043, two for a single violin soloist and one for two violin
2004 Brandenburg state election significantly. The CDU also lost votes and fell into third place. Matthias Platzeck (SPD) remained Minister-President and continued the previous SPD-CDU coalition. 2004 Brandenburg state election The Brandenburg state election, 2004, was conducted on 19 September 2004, to elect members to the Landtag of Brandenburg, the state legislature of Brandenburg. Before Brandenburg, the SPD had lost many state elections, what was connected to Gerhard Schröder's Agenda 2010 policy, which was a reaction to the problems of constantly high unemployment in Germany. The establishing of a lower welfare payment (called "Hartz IV" after an expert who had invented it) for people