Devotees of Patrick O’Brian’s great nautical novels will know Menorca as the place where Jack Aubrey and Stephen Maturin met while listening to Locatelli. Though the music has been updated—highlights include British-Bahraini trumpeter Yazz Ahmed, Snark Puppy keyboardist Shaun Martin, Israeli tenor man Eli Degibri, and the various bands fueling the three-day dance frenzy known as the Menorca Lindy Exchange—you should still feel free to elbow your over-enthused neighbor; it could be the beginning of a beautiful friendship. —E.E.