Unbroken children’s voices have always attracted composers of choral music. And this university concert of ‘voci bianche’ (literally, white voices) presents some of the most beautiful examples of the genre. Claire Gibault conducts the Rome Voci Bianche Choir in a programme that includes music by Rossini, Milhaud, and Benjamin Britten, whose ‘Ceremony of Carols for Treble Voices and Harp’ became an instant classic and a fitting inclusion on any pre-Christmas bill.