D'Livin's "Why" is an old skool classic. The tune is structured in a very basic fashion, with no massive breakdown to be seen, just rolling breaks the whole way through. The class comes in the form of cleverly placed vocal samples, and a beautifully rolling bassline. This track is a true stepper.
The tempo is slightly slower than most '93 hardcore tunes, so fits more with an old skool hardcore set than an early jungle set.
Buy on sight if you can track it down.