Tapani Kansa (see earlier entry) recorded several covers in the early yeras of his career in the 60's and 70's. One of the most popular was "Päättyneet on päivät" (The days are over), or the "Zai-zai-zai" -song as it is also referred, in 1968. The original one is - of course - from Italy. A singer named Riccardo Del Turco performed it as "Uno Tranquillo" (A calm one). Riccardo had a couple of other hits too, but he wasn't actually a superstar in italy. This song became worldwide hit when recorded by the Tremeloes as "Suddenly You Love Me".
Here's the pair: