Fortunately they don?t travel well, but American rap-rock crews are here to stay - at least for this summer, anyhow.

Licensed to Ill.

Maybe the thing he learned was from Rhyming and Stealing because not only is the single a Chili Pepper rip-off but there are two other uncredited samples or lifts as well. 'Darkside' has a celebratory funk feel that sounds like Prince covering a Glitter Band song with Eminem on vocals, before turning into a glorious metal riff feast halfway through, but those highlights are few and far between, as the loops of the heard that before rock you gently to sleep.