 Complete the following phrase:  Twelve songs made it to the national final, which was broadcast by Bayerischer Rundfunk to ARD broadcasters across West Germany. The winner was decided by a sampling of 500 random West Germans who were meant to symbolize a fair representation of the countrys population. Each person gave every song a vote, from 1 for worst to 12 for best. Therefore, the theoretical worst score a song could receive would be 500, and the best score would be 6000. Three of the competitors previously represented other countries: French singer Séverine won the 1971 contest on behalf of Monaco, Paola previously represented her native Switzerland at two different contests 