Arcadi Volodos is a relatively rare visitor to London these days. Although the Russian pianist, 42, rose early to fame, his development has perhaps taken him in a direction that startles those who were initially seduced by the astounding virtuoso transcriptions – many of them his own – in which he initially established his reputation.

What a day for piano-lovers and Beethoven-lovers – Elisabeth Leonskaja for lunch, Maria João Pires for supper. Beethoven from both, stupendous playing from both, all in all generating a general sense of disbelief in this member of the audience. I mean, really! The Wigmore Hall is the epicure’s choice for music, but even by Wiggie standards this was beyond expectations.

I declare an interest. In the last 10 years or so the Scottish Ensemble has twice, at my invitation, visited the Borders village where I live, about 30 miles south of Edinburgh. On both occasions the ensemble performed a rich and challenging programme in front of a rural audience awestruck that such uncompromisingly competent music-making could descend on a village hall more accustomed to flower shows and badminton tournaments. As a promoter, I was amazed that the ensemble’s answer to my invitation was, without equivocation, “yes”.

James McCarthy’s oratorio Malala is both a heartfelt tribute to the young Nobel Peace laureate, Malala Yousafzai, and political statement in favour of the education of women. In it, as in its companion piece A Child of Our Time, a persecuted individual is turned into a symbol of all mankind. Indeed, Malala writes in a statement in the programme that “I wasn’t chosen because I am just one girl – I was chosen because of the belief in all girls whose voices can be heard.” This is put more simply in the music, which ends with the full chorus singing “we are all Malala!”

This concert was part of a tour of Canada’s National Arts Centre orchestra to five cities in the UK themed around the anniversary of the start of World War One. The Ottawa-based orchestra joined forces with the Royal Philharmonic Orchestra and the London Philharmonic Choir for this London centrepiece to the tour, under the baton of violinist-turned-conductor Pinchas Zukerman.

Is there an ideal way to programme Metamorphosen? Richard Strauss’s elegiac masterpiece requires 23 solo strings. That’s more than most chamber orchestras can muster, but with a full size symphony orchestra the piece leaves most of the players with nothing to do. In this Usher Hall concert the Royal Scottish National Orchestra chose to let Metamorphosen stand in glorious isolation before the interval.

Musical theatre needn’t be dominated by the human voice. Instrumental dramas with an element of acting can be a good way into the wonderful world of chamber music for younger audiences, and the Wigmore Hall’s new gambit of special student tickets for contemporary music paid off with the very different crowd there last night. It was rewarded with playing of the highest imaginative order from soloists in their own right: violinists Patricia Kopatchinskaja and Pekka Kuusisto, viola-player Lilli Maijala and cellist Pieter Wispelway.

Pianist Mitsuko Uchida's concentration, calm and grace under pressure are an inspiration. Towards the end of the first piece on her programme, played to a packed Royal Festival Hall last night, the quiet but insistent high-pitched screech of a fire alarm kept going off. Low voices on walkie-talkies at the entrances to the hall were also audible. Whatever the confusion they were sharing with each other, they were failing to lift it.