Pegasus Opera sparks change; teenage brass players show their mettle; and the ASMF do their founder proud

Wallen’s patchwork of notes, essays and diary entries tells the story of how she became one of the world’s most performed living composers

Why is Jerusalem lumped in with the jingoism of Last Night of the Proms? William Blake wrote a heretical, anti-establishment anthem that was later gifted to the suffragists and used to rouse fighters in the Spanish civil war

From baroque masters to John Williams, Britten and the Muppets, the Sixteen’s music director has created a festive playlist for Guardian readers

It's the downbeat, low-key quality of Jackie Kay's tale of intersecting lives that makes it so moving, writes Lyn Gardner