There was another guy on the Crossroads 2007 DVD who played a guitar that lies flat and was pretty amazing. This is worlds away from last week's Indian music. Surprisingly, I can't find the 2007 clip on YouTube, but here's one from the 2004 festival.
He looks like he's having so damn much fun.
From 2010, something a little prettier:
Also from 2010, "Traveling Shoes":
Robert Randolph comes out of a musical tradition called Sacred Steel found in a group of Pentecostal churches which have used the steel guitar in worship since the 1930s. I found this trailer for what seems to be a documentary about some of the players, and immediately looked to see if they have it on Netflix. It's listed, but not currently available. I hope it turns up.