Spem in Alium. Vidi Aquam Ora Singers, Suzi Digby Harmonia Mundi, 2020 English choral group the Ora Singers, led by Suzi Digby, present Thomas Tallis’s magnificent forty-part motet Spem in Alium on their latest Harmonia Mundi recording. Split into eight choirs of five apiece, the singers are given many opportunities to overlap in successive entrances, interact among cohorts, and sound immensely scored chords. The Ora Singers present a beautiful performance that combines purity of sound with thrilling forte climaxes. Digby deserves plaudits for her careful shaping of phrases and mastery of Spem’s myriad challenging balancing acts.  Most of the rest