Mozart's operatic masterpiece Don Giovanni raises pivotal questions about freedom and society: should freedom be without constraints? Is absolute freedom possible? In certain key ways these concerns of Mozart's culture resonate with issues that preoccupy us today. Composed in 1787, during the final years of the liberal regime introduced by the Habsburg emperor Joseph II, the opera reflects the shadow side of his “enlightened” reforms. The serial seducer Don Giovanni represents a liberty that has degenerated into libertinism. The freedom that Don Giovanni wants to retain at all costs is merely freedom as the absence of physical constraint. In the contemporary world many people aspire to a similarly riven freedom: they reject the dictates of external authority, and docilely submit to the promptings of instinctual drives. Christianity invites human beings to reach beyond themselves in love. Marriage exemplifies the self-giving of permanent commitment, and contrasts starkly with Don Giovanni's egoistic consumption and hasty disposal of women. Although the lyrics and plot of Mozart's opera never evoke the Trinity, the musical perfection of his work dances on the threshold of Revelation, and opens its hearers up to the liberating mystery of the freedom of Trinitarian love.