Verified answer

"Go Stewie Go" is a remake of the movie "Tootsie" and the song is from that movie.

The name of the song is "It Might Be You" and it was a popular song with music written by Dave Grusin, and lyrics written by Alan & Marilyn Bergman. It was performed by singer/songwriter Stephen Bishop in the 1982 film Tootsie, starring Dustin Hoffman and Jessica Lange, and became a popular song at weddings during the 1980s.

Bishop's recording peaked at #25 on the Billboard Hot 100 chart on May 7, 1983 and spent eight weeks in the Top 40. It also spent two weeks at #1 on the adult contemporary chart.

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Here is a video of the original song and movie montage.

http://video.search.yahoo.com/video/play?p=it+migh...

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Go Stewie Go