But the biggest surprise for me came halfway through one of their songs (I forget which one but it wasn't from "Raising Sand").
It was the Robert Plant hit "In the Mood" from his second solo album
The Principle of Moments.
http://www.youtube.com/watch?v=OSt_bu7npjoIt's one of the few solo Plant offerings I've enjoyed, mainly due to its
Rain Song-like arrangement.
And yes, it's been mentioned a couple times:
here and
here.