Auction house Bonhams said the instrument was used on several Beatles' songs, including Tomorrow Never Knows and Paperback Writer.

BBC: Beatles piano in Bonhams auction at Sussex festival

So far Aum whose weird beliefs, huge wealth and murky Russian connections are almost a paperback-writer's caricature provides the only example of weapons of mass destruction being used by a subversive group.

ECONOMIST: Coming soon to a city near you | The