Are you talking about when you can see him dancing through the windows from outside of the plane? because that song is still there on my version of the game, it is click sensitive though so you can click or skip right through it if you're not careful. the song is called
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by Jay Denton
If you are talking about inside the plane when he dances with Linda/Lexi/or Cece(kiss), that dance scene depends on if you are able to link to the planes speakers and "Get the Party Started" which requires you to have downloaded Lexi's songs earlier in the game, and the song that plays during that segment is
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by DayFox.