 Complete the following phrase:  After the end of World War II continued leading bands, which included Benny de Weille and Louis Freichel as sidemen. Berking was musical director for the Eurovision Song Contest 1957 held in Frankfurt am Main, West Germany. As well as conducting the German ensemble, he also conducted the Flemish, Luxembourg and Swiss orchestras. Berking conducted the German ensemble for the Eurovision Song Contest four times 1957, 1963, 1964 and 