Piano Concertos K. 107 (Mozart) Piano Concertos K. 107 (Mozart) The Piano Concertos, K. 107 are three keyboard concertos by Wolfgang Amadeus Mozart, based on sonatas by Johann Christian Bach. These sonatas are from J.C. Bach's Op. 5; Mozart turned Sonata No. 2 in D, Sonata No. 3 in G, and Sonata No. 4 in E from this set into the three concertos of K. 107. These concertos remained unpublished in the Alte Mozart-Ausgabe, the first complete edition of Mozart's works, so they were not given a number by the publishers of that edition, Breitkopf & Härtel (as the other 27 concerti were given in
RBB Brandenburg RBB Brandenburg RBB Brandenburg (until May 2003 ORB-Fernsehen) was the "third television channel" for Brandenburg, Germany from January 1992 to March 2004. Until May 2003, it was organized by Ostdeutscher Rundfunk Brandenburg (ORB), then by its successor, Rundfunk Berlin-Brandenburg (RBB). On 1 March 2004, the two regional television channels of RBB - "RBB Brandenburg" and "RBB Berlin" - were integrated into the new rbb Fernsehen. The programme was launched on 1 January 1992 under the name "Fernsehen Brandenburg". In the initial build-up phase, the then ARD cultural television programme Eins Plus was taken over from 3 p.m. to 5.15 p.m.