Ice Cube can't figure out
why Dr. Dre didn't want
to work with him on his new joint,
Laugh Now, Cry Later.
I got two words for ya Cube
No Vaseline.
The greatest diss record
of all time, aimed at
Dr. Dre and the NWA,
written by one,
Mr. O'Shea Jackson aka Ice Cube.
Check the lyrics
here.
(source)