When I last saw Vadim Repin in action, he was premiering a work of terrific energy and invention which is here to stay, James MacMillan's Violin Concerto. Tonight in Birmingham and on Monday at the Royal Festival Hall he is back on familiar territory with old friends – Vladimir Fedoseyev and the Tchaikovsky (formerly the Moscow Radio) Symphony Orchestra - in one of the pieces which brought him world recognition at 17 as among the handful of truly great violinists in the world today, the Tchaikovsky concerto.

Oliver Coates is the very model of a modern musical generalist – able to jump, or ignore, the boundaries between musical categories yet retaining deep understanding of the nuances of each category or genre. He has feet firmly in both the concert hall and the artier side of the electronica world, and has collaborated broadly over recent years – though is only now emerging as a solo artist.

This summer, the Royal Albert Hall became the centre of the Wagnerian universe. No one was going to ignore Bayreuth, where Frank Castorf‘s new Ring gave plenty of fuel for column inches; but somehow the singers and the orchestra seem to have got lost there among all the apparently uninterpretable stage paraphernalia. Here there was a unique context for the personenregie, the crucial relationships highlighted in Wagner’s many one-to-ones, as memorable as the spotlight on the music.

She’s the Kansas mezzo-soprano whose ruby slippers have now taken her across the globe, singing in all the great opera houses, but who has never lost the common touch. She’s not a diva, she’s a “Yankee Diva” – a contemporary creature who would never dream of throwing a tantrum or cancelling at short notice. She's Joyce DiDonato.

Marin Alsop may be one of America’s leading conductors, with stints as music director of the Colorado, Eugene and Richmond symphony orchestras, not to mention positions at the Bournemouth Symphony Orchestra, Royal Scottish National Orchestra, City of London Sinfonia, and of course her current roles at the head of the Baltimore and São Paulo State Symphony orchestras, but apparently none of that is as important as the fact that she’s a woman.

Fingers on buzzers: which piece of music at this year’s Proms boasts a percussion section including glockenspiel, xylophone, five pitches of cowbells, car horn, taxi horn, anvils, revolving door noise, smashing glass, bubble-wrap-popping, pistol-shot and elastic band? OK, here’s a clue: it’s by Scott Bradley (1891-1977). Who?

By the time silence descends on the Royal Albert Hall at five o’clock in the afternoon for a performance that will end six hours later, Semyon Bychkov will have been rehearsing for 60 hours. It breaks down into four days of orchestra readings, with tutti and sectional sessions for each act, then two days of the singers and a pianist, followed by six days of everybody together. And all for one performance of Tristan und Isolde with the BBC Symphony Orchestra.

On Christmas Day last year, we lost Richard Rodney Bennett, a composer and performer who bridged the worlds of classical, jazz and film music with a suave nonchalance that came from inner confidence and a belief in hard work. He and I met for lunch in the summer of 2012 at The Fountain Restaurant in Fortnum & Mason. We were to discuss what music we'd like to record to finish Round Midnight, an album we'd started many years ago, and for me to interview him for the launch of Sospiro, a new record label.

It’s only fitting that Sir John Eliot Gardiner should be celebrating his 70^th birthday with a concert in the Royal Albert Hall. That it should be a nine-hour marathon of a concert is not only fitting, but entirely predictable for a musician who has always kept one eye on the next and biggest challenge.

Sir Simon Rattle (b. 1955) and the Orchestra of the Age of Enlightenment (est. 1986) have been together from the beginning. Founded by period-instrument musicians eager to run their own affairs rather than play obediently for conductor-managers like Christopher Hogwood and John Eliot Gardiner, the OAE invited Rattle to conduct a concert performance of Idomeneo in that first year.