It was still hundreds of metres from the Royal Albert Hall when I spotted the first Ukrainian flag. It was the first of many worn as capes, not to mention the badges, hats and colour-coordinated outfits scattered around the near-capacity auditorium. If this sounds reminiscent of the annual flag-fest on the Last Night of the Proms, think again: this crowd was sombre, even subdued. But that changed as members of the Ukrainian Freedom Orchestra started to filter on to the stage, met by a battery of applause and an immediate standing ovation.....

https://www.theguardian.com/music/2022/jul/31/proms-royal-albert-hall-ukrainian-freedom-orchestra-review-tears-and-roars-of-delight-for-new-national-ensemble