There is a floor in Kenrail Towers in Westlands where the music starts at nine and the building does not give it back until six in the morning. KODA occupies what they call Floor T, and the first thing that tells you this is not an ordinary room is the sound system. Funktion-One is the rig that fabric in London and Berghain in Berlin built their reputations around, speakers engineered not to fill a room with music but to make the music physical, to move it from something you hear into something you feel at the base of your sternum. Most venues buy a sound system. KODA bought an argument.

The argument is that the room itself is the instrument. Two rooms run simultaneously on Thursday nights, Nairobi R&B in Room 1 and something else entirely in Room 2, and the building splits into two different frequencies, two different crowds, two different nights happening inside the same walls. On weekends the concept sharpens into what they call All Night Long: eight hours of uninterrupted sound, no support acts, no gaps, no dilution. Visiting artists have included Da Capo, Darque, Bun Xapa, Vanco, names that mean something to anyone who follows where African electronic music is going. The crowd at KODA on a Saturday night is not waiting for something to happen. It has already decided that something is happening and arrived accordingly.

Nairobi's loudest rooms are not always its newest ones. The Jockey Club at Ngong Racecourse has existed in one form or another since the city was still learning its own name. Masshouse Live moved into that address and did something quietly audacious with it: kept the architecture, raised the volume. By day it is a lunch and coffee spot operating inside one of the oldest buildings in the city. By night, Tuesday through Sunday, it becomes something the original architects almost certainly did not anticipate, a high-energy performance venue where the grandstand and the good time coexist without apology. There is something specifically Nairobi about that transaction. The city has always known how to take a space that was built for one purpose and make it serve a completely different one, louder and more joyful than the original intended.

Then there is the room that does not curate, does not import, does not ask for your genre preferences. Kommunity in Westlands plays Gengetone, Kapuka, Afrobeats, Amapiano, Dancehall, the full range of what Nairobi actually listens to when nobody is trying to make a statement about it. No breaks, no shortcuts, no apologetics about mixing a Sauti Sol record into an Amapiano set. It is a room that plays the city back at itself at full volume and trusts that the city will recognise the sound and respond to it, which it does, every week, without fail.

What connects these rooms is not the music they play. It is the commitment to volume as a condition rather than a side effect. A loud room does something to the people inside it that a quiet room structurally cannot: it removes the option of half-presence. You cannot be distracted in a room where the bass is in your chest. You cannot scroll through your phone when the floor is moving. The loud room enforces the same presence that Fever Pitch argued live music was built for, except it does not ask politely. It simply makes distraction impossible and leaves you with nothing to do but be exactly where you are.

Nairobi has always had music. What it is building now are the rooms that know what to do with it.