Economist Xavier Sala i Martín perfectly remembers the first day he saw his wife. "I was a Barça director, and Barça directors, even if they don't get paid, work like crazy and have official lunches all day. I started to gain weight and needed to exercise, so I joined a gym. The personal trainer sent me to a dietitian, and the dietitian called me Silvia. I thought she'd found me handsome. She didn't know me at all, and over time I learned that, in reality, what she'd been thinking was: "Who is that tacky guy wearing a fuchsia blazer?"

The human factor is crucial in concert halls like the Palau de la Música, the home of song, and therefore, with a founding commitment to tuning and the unmicrophoned (or filtered) voice. However, nothing is immune to artificial intelligence. The general director of the Palau de la Música, Joan Oller, knows this well, and recommends it as summer reading. Between Paradise and Apocalypse: The Economics of Artificial Intelligence (Rosa de los Vientos, 2025), by Xavier Sala i Martín. A good example of the interest aroused by what the economist from Cabrera de Mar analyses is that The book was the best-selling non-fiction book in Catalan last Sant Jordi, ahead of The pass to space, by Manel Vidal Boix; Crimes 4. The Hour of Truth, by Carles Porta, and The art of being human, by David Bueno.