From the radiator, a low, approving rumble vibrated through the floor. The building remembered.
This looks like a reference to a specific event, mix, or recording — possibly a DJ set, live session, or underground music event (the name “HardWerk” suggests hard techno, industrial, or EBM, and “Calita Fire” might be a venue, collective, or artist name). HardWerk 24 09 26 Calita Fire Hardwerk Session ...
If you weren’t in the room, you missed the smoke. But don’t worry – the ashes will rise again. From the radiator, a low, approving rumble vibrated