In case anybody had the bizarre notion that the Classical Brits was getting a trifle too classical, the 2011 version of the event was rebranded as the Classic Brit Awards. That would seem to open the door to almost anything - classic rock perhaps, or classic schmaltz (well, waltzmeister Andre Rieu did win Album of the Year). The night climaxed with Dame Shirley Bassey singing "Goldfinger", capping a tribute to the late John Barry, and sounding nowhere near as "classic" as she used to.

Ariosto’s epic poem Orlando Furioso has yielded more than its fair share of operatic spin-offs. Inspiring three operas apiece from both Handel and Vivaldi, as well as works from Lully, Haydn, Caccini and Rameau, its vivid stories of love, magic and revenge were plundered freely by composers for the better part of two centuries. It’s a rich seam of works, and one the Barbican is celebrating with a triptych of concerts. We’ve already had an exceptional Alcina from Minkowski and Les Musiciens du Louvre, and Il Complesso Barocco will present Ariodante in May, but last night it was the turn of Jean-Christophe Spinosi and Ensemble Matheus with Vivaldi’s Orlando Furioso.

According to the wit of either Dallapiccola or Stravinsky (history is divided), Vivaldi was responsible for writing not 600 concertos, but the same concerto 600 times. It’s a joke that has lingered stubbornly in the popular imagination. Had the concerto in question been one of the Four Seasons or indeed one from L’Estro Armonico I don’t think anyone would be objecting; it’s the workaday Vivaldi, those throwaway concertos composed with his eyes on his purse and his mind on his dinner that have so diluted his reputation. Doing their best to set the record straight, erstwhile Vivaldi champions La Serenissima last night presented a programme comprised solely of concertos.

There is an excess about the Wigmore Hall’s Arts and Crafts cupola that lends itself to extravagant musical passions. The mural’s cloudy images may profess to picture music as an abstract creature, but the golden tangle of rays and warmly naked limbs make a rather more human case for its attractions. It was a case matched for persuasive enthusiasm (and significantly bettered for taste) last night by The English Concert and Alice Coote, in a programme of charged highlights from 16th and 17th-century repertoire.

One Proms blockbuster effortlessly reached its goal last night when Paul Lewis crowned his Beethoven piano concertos series with a diamantine "Emperor". Two more suggested themselves in a challenging quartet of big works programmed by the Royal Scottish National Orchestra's brilliant music director Stéphane Denève. I now hunger for concert performances here conducted by Denève of Berlioz's Benvenuto Cellini and James MacMillan's The Sacrifice. On the evidence of the late-night Prom's box of delights, I even uncharacteristically want to hear all of Vivaldi's Orlando furioso with Philippe Jaroussky and Marie-Nicole Lemieux as the stars.

One Proms blockbuster effortlessly reached its goal last night when Paul Lewis crowned his Beethoven piano concertos series with a diamantine "Emperor". Two more suggested themselves in a challenging quartet of big works programmed by the Royal Scottish National Orchestra's brilliant music director Stéphane Denève. I now hunger for concert performances here conducted by Denève of Berlioz's Benvenuto Cellini and James MacMillan's The Sacrifice. On the evidence of the late-night Prom's box of delights, I even uncharacteristically want to hear all of Vivaldi's Orlando furioso with Philippe Jaroussky and Marie-Nicole Lemieux as the stars.

Brilliant though it was to be shooting an Imagine film for BBC One, we did experience the occasional tremor of foreboding about making a programme with Nigel Kennedy. We (that's me and director Frank Hanly) had a bit of previous with Nigel - I'd done several print interviews with him, and we'd shot a couple of short films with him for EMI.

Following last week's new music CDs round-up, The Arts Desk introduces our monthly pick of the latest classical music CDs, ranging from vocal showpieces and rare opera to viola transcriptions and string quartets.