Somedayz – Big K.R.I.T.

Here’s the classic Souls of Mischief joint, ’93 til Infinity:

…as well as an ill version by Kidz in the Hall, Wheelz Fall Off (’06 Til):

http://www.youtube.com/watch?v=8VUxm8jRoNw&feature=player_embedded

…finally the original, a song called Heather by Billy Cobham.  The sampled part start at 2:03 (wait for it…):