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A city that sounds like itself
Lisbon has a sound you can recognise with your eyes closed. Here is how I learned to hear it.
If you blindfolded me and set me down anywhere in Lisbon, I think I could tell you I was in Lisbon within a minute. Not from the smell, though there is always grilled fish somewhere. From the sound.
It is the tram bells, first: two flat clangs, never one. It is the hollow rattle of wheels on calçada, the limestone cobbles that make every suitcase sound like an argument. It is gulls, always, even far from the river. It is someone above you shaking a rug from a balcony and someone below you telling them to stop.
The soundmark
Acousticians have a word for this: a soundmark, the way a landmark is a mark you see. Cities have them and lose them. A new road surface, a quieter bus, a closed market, and a sound that was part of a neighbourhood for a century simply stops.
I have started recording ours. Nothing fancy: a small recorder, ten minutes at a time, the same corners each season. Some of these recordings will turn up in Slow Signals. Most of them are just for the archive, in case one day the trams go quiet and someone wants to remember what Graça sounded like at eight in the morning.
Lena · 22 March 2026, Lisbon