Do they ever tell you these things in the Steeleye Span liner notes? No, they do not. I hate their notes. No history, no sources, no documentation, no song words, just chatty little info about the band:
"...a ballad exemplifying the dramatic power of electric instrumentation, and realized during the recording that one of their distinguishing features, the fact that they didn't have a drummer, had become a handicap. So they added ....on their next..." AAAAAAGGHHRRR!
Blessings, and the occasional grump,
Barbara