First there is a mountain, then there is no mountain, then there is.... ridiculous lyrics sung by Donovan Leitch.
http://www.youtube.com/watch?v=CWkGs6MxATc
That’s one of the few of his that are any good, imho. I also like the version recorded by The Bobs.
The Allman Brothers filled 2 entire album sides riffing off that. (Mountain Jam)
Only THEY could do something like that and get away with it. LOL!