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
Mark Brandenburg (baseball) 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 pitched. In July 2008, Brandenburg was inducted into the Texas Tech Athletics Hall