If you liked those "Ripple" lyrics, by the way, and were not previously aware of this side of the Grateful Dead, you would do well to check out this "annotated Ripple" web page:

http://arts.ucsc.edu/gdead/agdl/ripple.html#dark

(Those of you who DO know all about Robert and Jerry, etc., will probaly enjoy the discussion, too. Perhaps even more...)