"Eternal Mozart," a piece of software written in Java, Python, and Swift, and roughly based on Mozart's "Musikalisches Alphabet," KV Anh. H24,11 (1787) or "Musikalisches Würfelspiel," KV⁶ 516f, automatically composes and plays a huge number (11^14 ) of different minuets in his style. It takes approximately seven hundred million years to listen to all the pieces it produces. The Swift version is available as an IOS app, as shown below: