What’s the best first song on an album?

In my opinion the first and last song on an album are the two most important, but the first song is really what sets the tone for the album. A good first song can have you locked in right away.

Not including skit tracks or just sounds / not actual songs, what are some of your favorite first songs of an album?

I can’t pick just one so I’m gonna list a few

What Up Gangsta by 50 Cent , Sherane aka Master Splinter’s Daughter by Kendrick Lamar, No Introduction by Nas, Good Morning by Kanye West, Go Go Gadget Flow by Lupe Fiasco and If You Know You Know by Pusha T