Tonight 38 years ago... Un banc, un arbre, une rue

Gaiety Theater in Dublin hosted the 16th Eurovision on April 3, 1971. All the countries that stayed home in 1970 for protest returned, as well as Austria and Malta debuted. Besides the voting there were also other new things: the preview videos were obligatory to all countries and groups/bands were allowed for the first time, too, but only Sweden and Switzerland sent a group. The Swiss one was