Guardian Music — Sony executive behind the launch of the CDNorio Ohga, who has died aged 81, was the Sony executive who launched the CD. During his long career, Ohga also propelled Sony's content strategy – which, at the time, many considered mistaken – leading t... more info

Guardian Music — Royal Festival Hall, LondonOf all the Mahler cycles that have proliferated for this and last year's anniversaries, the London Philharmonic's has been, by a long way, the most intelligent and revealing. Rather than a dutiful progress through the symph... more info

Guardian Music — Alina Ibragimova (violin), Cédric Tiberghien (piano)(Wigmore Hall Live)As anyone who heard their recitals at Wigmore Hall will know, this young partnership mesmerises and captivates, achieving rare freshness and vitality in the most familiar reperto... more info

Guardian Music — Symphony Hall, BirminghamPerhaps Klaus Obermaier's digitised presentation of Stravinsky's ballet seemed more innovative in 2007 than it does now that 3D movies have become commonplace. Obermaier's concept dispenses with the original scenario altogeth... more info

Guardian Music — St David's Hall, CardiffChampions of Hector Berlioz regard his dramatic symphony Roméo et Juliette as a masterpiece. Magic yet unwieldy, revolutionary in its use of the orchestra, yet with moments of banality, it certainly embodies the extremes that... more info

Guardian Music — Grand, LeedsThe opening night of Opera North's Fidelio was beset by problems that made assessment difficult. An electrical fault caused the pit lights to fail twice in act one: at the end of the quartet, then partway through Rocco's gold aria. The pe... more info

Guardian Music — Wigmore Hall, LondonHarrison Birtwistle embraced chamber music relatively late in his career, but recently it has been absorbing much of his considerable energy. His new Trio finds him writing once again for cellist Adrian Brendel and pianist Till Fe... more info

Guardian Music — Queen Elizabeth Hall, LondonThomas Adès's The Four Quarters formed the centrepiece of this programme by the Emersons, who are currently touring the work following their premiere performance in Carnegie Hall last month. Coming in at around 20 minutes... more info

Guardian Music — Wigmore Hall, LondonIt's little over a month since Maurizio Pollini played the last three Schubert piano sonatas in a single evening at the Festival Hall. Steven Osborne devoted his Wigmore Hall recital to the same exercise, yet despite the neat logi... more info

Guardian Music — 'Chopin's style changed and I've probably changed my way of playing him. I've had a very long relationship with this music'The pianist Charles Rosen released his first Chopin recording in 1960. It included one of the late nocturnes, opus 62 no 1, wri... more info