Kraftwerk (German for 'power station') are a hugely influential, experimental, electronic music group that was formed in Germany in 1970 by Florian Schneider and Ralf Hutter. 'Autobahn', 'Showroom...
Will Smith sampled and the beat goes on for a song he recorded called Miami
The list of artists and songs is quite long (over 100). The link to the left under related links has all of them.
The intro loop is taken from Dave Matthews - Dune LP (CTI 1977) The track is "Sandworms".
Ram Jam (One hit Wonder?)