I don’t think anyone really knew what to think upon the sight of 3D and actress Scarlett Johansson collaborating on a song. But then after one listen, you begin to ask yourself, “what was the worry?” After all, it’s 3D! The lovely tune is called “Summertime” and is taken from the movie soundtrack “Days of Grace (Dias de Gracia)” produced by Robert and Tim Goldsworthy.