Before instrumental music and opera gained in importance, sacred choral music reached its peak in the Renaissance. Especially in England, Flanders, Italy and Spain polyphonic masterpieces of choral singing were created, which are still unmatched in their artistic construction. Renaissance Choral Masterworks "brings together in just over two hours nearly three dozen shorter and longer genius strokes of that period, including Allegris" Miserere ", Tallis'" Spem in alium "and Palestrina's" Stabat Mater ".