The dubplate is a Jamaican idea: seventies sound systems pressed up their own tracks in order to outdo rivals. Similarly, jungle's top DJs, desperate for exclusive tracks, spend more than two hundred pounds a week on dubplates—either their own productions or tracks by kindred-spirit producers. Dubplates are also a way of testing out a new track on a club sound system, of seeing how the crowd responds and what scope is for improving the record.

If he's lying, his inflection changes.

There's no need to speculate; we can easily find out for sure.

iliopubic tract