OHHH! 'Ours if we want it' - Someone help me!

Hi People, I've just watched the movie and I'm getting a bit impatient. I know it wasn't the first time I watched it, but it was the first time I noticed that song in the end of movie which is played in the yellow car when Mandy and Nick are shrunk and all that romantic scene happens. Nick turns on the radio and it's played. I believe the song is called "Ours if we want it" and, as IMDB says, it is written by Tom snow and Mark Mueller. However, I haven't found anything at all about the song! I can't find the song nor the lyrics and even Google knows nothing about it. Oh, God knows how much I love New Romantics Wave and New Wave and 80's pop and 80's obscure stuff (even though the movie is from 1992, it holds the 80's style, as you may have noticed). Please, don't having this song is gonna make me toss turn on bed at night. If you help me, I will pray for you for the rest of my life!