Britney Spears' downtempo tracks reveal how the pop monarch can evoke brokenheartedness and also play the coy seducer. While the sultry come-on "Make Me..." and the swirling "Heaven On Earth" revel in sensual splendour, reflective songs like "Everytime" and "From the Bottom of My Broken Heart" marry anguish with top-notch pop production to devastating effect.