the interview is here:
So, like inflating pigs to fly over Battersea Power Station disrupting Heathrow Airport, London wasn't a construct in order to sell records or a publicity stunt to be successful in pop music? ELP's music combined social comment with fun, artistry and variety which is more than I can say about his morbid dronings. He and I are in the business of entertainment and if He chooses to put himself in the category of pop activist so be it. I learned the lesson early enough. Don't mix politics with music by burning flags. Leave all that to Bono and Sting. Either become a politician or a musician. Although he made a lot of money with his mono tonal ramblings on the latter I think he should stick to the former as long as he preaches his politics in some remote area like a worm sanctuary in Siberia.
PS I enjoyed being part of his tribute album