No orchestra wants its conductor to cancel in the week of a concert.

Perhaps the most surprising thing is how good natured they all sound. There’s no anger. At least, not much – one can’t help wondering what they say off air.

Omer Meir Wellber, who once used to do magic with music for children, pulled a whole set of rabbits out of the hat in his reading of Beethoven’s Fourth Symphony on Saturday. Others may make the work's rhythms and melodies alluring through the sheer forward momentum of a steady beat. Not Wellber.

"All true spiritual art has always been RADICAL art": thus spake the oracular Georges Lentz, composer of the pitch-black odyssey for electric guitar that took everyone by surprise last night. In that vein, why not add that all the greatest performers always push the boundaries, and that 28-year-old Sean Shibe, though included by the sponsors of this concert among "emerging talent", is already in their select company.

Fast is fine in Beethoven, so long as you find breathing-spaces, expressive lines and crisp articulation within it.

The tough, knotty writing of the Missa solemnis – its “unrelenting integrity”, Donald Runnicles said in a pre-concert interview – was addressed unflinchingly last night by the BBC Symphony Orchestra and Chorus. They have a distinguished history with the piece, having given memorable Proms performances with Sir Colin Davis and Bernard Haitink – and remembered now by a hissy tape transfer, Pierre Boulez to open the 1972 season. However, the burden of history and reputation was shaken off last night.

Three works two centuries apart, two of them rarities, with 100/200 years between each: that's no guarantee for programming success, and no way to fill a hall (though the London Philharmonic Orchestra admin deserves a good medal for the intricacy of its “2020 Vision” series planning, linked to the Beethoven anniversary and explained by Gavin Dixon in his review of Vladimir Jurowski’s launch concert earlier this month).

Honouring Beethoven in Manchester is a united enterprise, at least between the Hallé and BBC Philharmonic, two symphony orchestras that have worked out a series of Beethoven specials between them.

Gustav Mahler and Richard Strauss are not the composers you'd hear at a typical chamber music concert. Their early efforts at piano quartets made up the first half of an evening at the Queen Elizabeth Hall with Benjamin Grosvenor and friends that was, in any case, far from typical. Topped off with the mature Brahms’s Third Piano Quartet, wasn’t it going to be too much rugged Alpine rocky road? In the hands of these youthful musicians, it wasn’t. The audience couldn’t get enough of them.

When Macedonian pianist Simon Trpčeski first bounced on to the concert scene, he seemed part will-o-the-wisp, part jack-in-the-box, a real personality of coruscating brilliance.