Drill 'n' Bass – a white-bread, wise-guy version of drum-and-bass that also goes by the name fungle – gets its kicks by exceeding the speed limit on the autobahn. Funglists like Squarepusher, Plug and Animals on Wheels are velocity freaks, cramming their tracks full of hyperfast paradiddles, jacked-up tom-tom stutters and spazzy bass lines that make more sense at the slot-car-racing...