Help needed dating a Peel Show

[John Bravin]

A bit of a frisson hearing this show 1968 clip.  It's only 9 years 
before punk, but seems worlds away.  Always had a soft spot for Nice's 
version of America, and it's great to hear it introduced on its first 
release by Peel. I recall seeing them play it live at the Bath Festival 
in 1969 (for photos see 
http://www.ukrockfestivals.com/Nice-69-bath.html) complete with 
Emerson's knife attack on his Hammond organ.   Now that really is worlds 
away - "Any problem if I bring a bunch of knives on stage and engage in 
a frenzy of stabbing?"