Work: Hallo, my fancy, whither wilt thou go?

If I had to come up with a unifying theme for the BBC Singers’ Proms Chamber Music concert at Cadogan Hall, it would be “mystery”. Sir Harrison Birtwistle linked moths with mysteriousness in his mid-concert interview prior to the UK première of The Moth Requiem. Gustav Holst explored the mystery expressed in the ancient Rig Veda texts in his Choral Hymns of the Rig Veda.