Once upon a time writing an opera was first and foremost a question of choosing a good story. But times move on, and today – as Nicholas Till reminds us in a fascinating programme note for Philip Venables’s and Ted Huffman’s new chamber opera – the medium is the message, and the how has become at least as important as the what. 

Recent politics surround the EU and nationhood, fantasies of Irish Sea bridges and trading borders more porous than limestone have revived the granular rub between Eire and Britain, and the Celtic Tiger cool of the Nineties is a history module these days.

It says so much for the cornucopia of London's classical music scene alone that all five of the most recent concerts I've attended have made the long list for best of 2019. I'll settle for two. The anger and violence of Vaughan Williams's Fourth Symphony is still resonating after the London Symphony Orchestra and Antonio Pappano tore into it with focused fire on election night.

Culturally, "the little country that could" - as Estonia's ex-Prime Minister and historian Mart Laar dubbed it - punches well above its weight. While it educates the young with a musical instrument made available to every child, Estonia continues to shine through its musical leaders.

Composer, classical guitarist and ensemble leader Simon Thacker has spent the past decade immersed in distinct musical cultures; from the reinterpretations and reimaginings of the musical traditions of eastern Europe and the Roma people that underpin his Songs of the Roma trio, to his collaborative work with musicians from across the Indian subcontinent under the ever-expanding Svara-Kanti name.

Ólafur Arnalds is almost secretly huge. Millions adore the melancholy beauty of the Icelandic composer’s music, yet his name still brings blank stares from some.

Land of Kush are an ambitious 20-piece plus ensemble which features all manner of instruments from strings, horns, piano, guitar, santur, darbouka, oud and synths, as well as multiple vocalists and percussionists.

Every ten years or so Thomas Adès writes a piano concerto and the latest had its UK premiere last night at the Royal Festival Hall, played by Kirill Gerstein and conducted by Adès himself.

Fiftieth anniversary? It seems incredible but also so exhilarating not least because these times we live in now seem to me to be a golden age for music of all kinds and in particular for what we label so inadequately classical music.