Simple concept: Hip Hip Covers from UK indie artists (well it's a bit more like indie karaoke).
For example, Beans on Toast and Josh Weller have covered Warren G ft. Nate Dogg's Regulate.
Here's the original:
Warren G ft. Nate Dogg - Regulate
Here's the Indie version:
Beans on Toast, Josh Weller - RegulateThere are loads more Hip Hop indie covers on their MySpace here.