Eurovision Song Contest 1973 was held in Luxembourg Seventeen countries were present, after Austria and Malta did not participate. Israel made its first appearance. In 1973, the EBU has changed the rule imposed by the competing songs to be interpreted in the official language of their country. Thus, the Scandinavian sent songs with lyrics in English (Finland and Sweden) or English and French in the case of Norway. Were allowed, and play-back, but the instruments were recorded to be played on stage by artists with whom recorded. This privilege is only used by In.Vasileio.