Got To Be Real

This funky disco classic with a key change at 1:40 after the break
that kicks the intensity up a notch.  The bass line on this is funky
ass Mrs. Wilkes collard greens.
-Nick 

Yerbatero

"Yerbatero" by the popular Colombian singer Juanes. The song's in A minor all the way through the second chorus, after which he cranks it up to B minor.
- Mark

Nothing's Going To Stop Us Now

Every once and a while a person secretly loves a song and ends up featuring it on a music theory blog. Sometimes today is that day.
Half step up on the guitar solo from the Mannequin soundtrack.
-trov

If You Leave

I think there are 7 key changes in this one. 
 -trov

What The World Needs Now

I'm happy this is the first key change of the year.
-tony trov