Keyboard concertos by Johann Sebastian Bach soloists, were all adapted into harpsichord concertos by the composer, BWV 1058, 1054 and 1062 respectively. It is often assumed that Bach's extant violin concertos were written in his Köthen period (1717–1723): it can however not be proven from documentary evidence that any of them existed prior to around 1730. In September 1725 Bach performed organ music, accompanied by other instruments, in Dresden. The works he performed there have not been identified. More than a year later he composed several cantatas with an organ obligato part. Several movements of such cantatas were derived from earlier lost concertos, and resurfaced in
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