I think bubblegum pop is what the world needs again. The best of that kind of simple innocent pop, for me, was Madonna's True Blue. It was Madonna tribute and homage to Motown or the Girl Group pop of the 50s. I can still remember seeing the video on TV for the first time. There was a couple of songs that featured her laugh and True Blue was one of them. Here's the Color remix that was released at the time back in 1986.