I've never even heard of Primus before, but they're doing a whole album covering songs from the original Wonka movie. They have 'Pure Imagination' available to listen to: Spoiler The full album releases October 21st, 2014. And I'm excited for it, if this track is any indication to the quality of the whole LP. And I'm going to be checking out all their past work too. And here's a Stones article about it.