Just a 'heads up' that this opera, and indeed I believe the performance referred to by markniew, was broadcast on BBC Radio 3 (and on Euroclassic Notturno throughout Europe) last night. It will be available on the BBC iPlayer for the next 6 days at data rates up to 320kbps aac-lc.
http://www.bbc.co.uk/radio/player/b01jgd06
http://www.bbc.co.uk/radio/player/b01jgd06