“Black Mountain Side.”

http://www.youtube.com/watch?v=z0OYZm4RhFE

Black Mountain Side, Led Zeppelin

Somebody asked a few days ago on Twitter about what songs changed your life.  This is one of mine.  There was Life Before Led Zep, and then there was Life After Led Zep.  This was the second Led Zep song I ever listened to; the first was all right, but it was this one that made me stop and listen.