Piano concertos by Wolfgang Amadeus Mozart it was probably J.C. Bach, whom Mozart admired, who introduced the structural innovation of allowing the keyboard to introduce new thematic material in its first entry. Concertos Nos 1–4 (K. 37, 39, 40 and 41) are orchestral and keyboard arrangements of sonata movements by other composers. The next three concertos (K. 107/1, 2 and 3), which are not numbered, are arrangements of piano sonatas by J.C. Bach (Op 5. Nos. 2, 3, and 4, all composed by 1766). Based on handwriting analysis of the autographs they are believed to date from 1771–72. Concerto No. 5, K. 175 from 1773 was
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