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
Brandenburg-Liga Brandenburg-Liga The Brandenburg-Liga (VI) ("formerly the Verbandsliga Brandenburg") is the highest league for football teams exclusively in the German state of Brandenburg and at step six of the German football league system. Until the introduction of the 3. Liga in 2008 it was the fifth tier of the league system, until the introduction of the Regionalligas in 1994 the fourth tier. The champions of the Brandenburg-Liga are directly promoted to the NOFV-Oberliga Nord. The Brandenburg-Liga, previously referred to as the "Verbandsliga Brandenburg", was established in 1990 from thirteen clubs as a highest league for the German state of Brandenburg, which