Margrave Christian Ludwig of Brandenburg-Schwedt Margrave Christian Ludwig of Brandenburg-Schwedt Christian Ludwig (24 May 1677 – 3 September 1734), a member of the House of Hohenzollern, was a Margrave of Brandenburg-Schwedt and a military officer of the Prussian Army. The margravial title was given to princes of the Prussian Royal House and did not express a territorial status. He is best known as the recipient of Johann Sebastian Bach's "Brandenburg concertos". Born in Berlin, Christian Ludwig was the youngest son of the "Great Elector" Frederick William (1620–1688), ruler of Brandenburg-Prussia, and his second wife Princess Sophia Dorothea of Schleswig-Holstein-Sonderburg-Glücksburg (1636–1689). Like his elder brothers, he
Twelve Concertos, Op. 7 (Vivaldi) RV Anh. 142 (formerly RV 464); and No. 9 in B-flat major for violin, RV Anh. 153 (formerly RV 373). Twelve Concertos, Op. 7 (Vivaldi) A set of twelve concertos was published by Estienne Roger in 1716-1717 under Antonio Vivaldi's name, as his Opus 7. They were in two volumes, each containing concertos numbered 1-6. Of the set, ten were for violin solo; the other two were for oboe solo. The authenticity of some of the works included has long been doubted by scholars. Three are now considered spurious (i.e. not in fact by Vivaldi) for stylistic reasons. They are: