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
Mark Brandenburg (baseball) of Fame. His daughter, Ryan Kate, appeared on Season 3 of MasterChef Junior. Mark Brandenburg (baseball) Mark Clay Brandenburg (born July 14, 1970) is a former middle-relief pitcher in Major League Baseball who played from through for the Texas Rangers (1995–96) and Boston Red Sox (1996–97). Brandenburg batted and threw right-handed. Listed at 6' 0", 180 lb., he was selected by the Texas Rangers in the 1992 draft out of Texas Tech. In a three-season career, Brandenburg posted a 5-8 record with a 4.49 earned run average, 121 strikeouts, 56 walks, 144 ⅓ innings, and no saves, in 97 games