If any of you opera lovers are devotees of the growing Twitter craze, here's a story to warm your hearts and exercise your minds.

The question is, how do you fit the plot of an entire opera into a tweet (for the uninitiated, you get the grand total of 140 characters).

A Canadian journalist has been running a competition to do precisely that, and attracted hundreds of entries. The winner, not content with doing a whole opera, went for doing the whole of Wagner's Ring Cycle.

I won't spoil the story - you can read it at the Washington Post site. By the way, my favourite was The Marriage Of Figaro.

But I do wonder how musical history might have changed if Wagner had the discipline imposed on him of fitting important (or trivial) thoughts into 140 characters...