Sir Simon Rattle conducts Messiaen and Bruckner, two composers as united in their devotion to the Catholic faith as they are divergent in their approaches to writing music. First Messiaen, the voracious musical omnivore whose Couleurs de la cité céleste is a microcosm of his numerous preoccupations – from birdsong to the book of Revelations – set in a sequence of lively episodes performed by a ...