The jazzy piano loop that King I Divine samples on his collabo with ScienZe is reminiscent of tracks you used to hear on the regular in the mid-90s (in a great way).  Blu dropping a verse on the track is just icing.  Check out Happiness Is, featuring Blu and Sene.

The loop takes me back to the days of songs like this:

http://www.youtube.com/watch?v=cP0wsET8__Y