"Land Ho" is an expression used by sailors when they saw a land after being surrounded with nothing except the ocean for a long time. (thanks, Elanor - Zagreb, MO)
This is a story of the sea that represents a quest for freedom.
Drummer John Densmore created a Skiffle beat for this. In the '50s, Skiffle was a popular style in England where amateur musicians would use jugs, washboards, and whatever else they had to make music.