By the way , me being an old boy i remember this well ..
I wonder how many of the younger generation that hear Stevie wonder songs on the radio like Living in the city , Superstition , realise that that fat synth sound was down to an englishman ...
Try this link
This is essential viewing .. The man is a genius ..
http://m.youtube.com/watch?v=nGfR3G6si_M