The Royal Opera House prides itself on knowing exactly who is registering on its mailing services, and just how high-class they are. Mr, Mrs, Ms, Miss, Dr, really can’t cover the possibilities. Hence the hilarity greeting their online registering process, which offers no fewer than 132 options for your title - which it is mandatory to fill in.

Its advertised centre of gravity, a concerto specially commissioned from affable whiz-kid Nico Muhly, turned out weightless, and not in a good way. Yet the programming of the Aurora Orchestra's latest adventure showed us why the Arts Council were right to fund this young and dynamic constellation. OK, so I'd have been happiest with a whole evening of Hindemith Kammermusik rather than one movement. But for the new generation of pick-and-mix onliners, the seven eclectic works on the bill couldn't have been more enticing, thanks to the iron fist of velvet-glove live stream presenter-conductor Nicholas Collon.

Were the great Diaghilev alive today, surely he’d be working in the imaginative possibilities of electronic technology - this was the opinion given me by the arts panjandrum, the late Sir John Drummond. And given the developments of 3D, who knows? Would it be this manipulation of our perceptions that fascinated him? 3D is certainly everywhere in dance now, though the challenge is to leap the judgment of it as merely a gimmick. I reckon while Wim Wenders’ film Pina 3D achieved that, the version of Stravinsky’s Rite of Spring by Klaus Obermaier doesn’t.

It is probably a worrying sign when the computer games of your youth become the historical butt of a conceptual art joke. Digital artist Cory Arcangel, who appropriates video-game technology, repurposes and redesigns it, has installed 14 10-pin bowling computer games in the Barbican's Curve gallery, and if you remember the earliest, an Atari, you're almost certainly as obsolescent as it is.

This year the Eurozone is going to be the big political subject; fragmentation the looming concern. Culturally too, one would think that Europe, with 23 official languages, and another 60 minority languages spoken, is too much of a warren to be able to find any possible unanimity. But two ambitious projects are afoot in Brussels: to enable the translating of major literature across languages, and to join up all the museums, galleries and centres of knowledge in one great cultural cornucopia. And before you mutter that this is as exciting as sprouts, think for a moment of the implications - an online equivalent of a vast library of all the major known cultures, a gigantic linking of the great libraries, museums, galleries and universities in a single place for all humanity to access.

Over this weekend the spaces of London's Royal Opera House will be transformed by strange sounds, vaguely operatic, vaguely foresty, thoroughly chilled. The ambient atmospheres will be made by Scanner, who calls himself a “cultural engineer” and has made sounds for morgues, dances, Philips wake-up lights and chill-out rooms in clubs, during an extraordinarily eclectic career that seems to exist somewhere on the very edge of technology.

How does a ballerina feel during Swan Lake? Find out instantaneously from the New York ballerina who tweets while she dances. Ashley Bouder is one of the most exciting dancers of the new generation over there - and new-generation she is.

At seven o'clock on a Friday night, with the first spring twilight of the year as a backdrop, Newcastle’s Civic Centre reverberated to a new composition for its Carillon bells. Mingling eerily with birdsong, it marked a rather different start to the weekend from the hoards of hen nights getting ready for a night on the Toon. This was the opening night of AV, the biennial international festival of electronic arts.