Aquasplit_tik_tak -

He followed the sound to a derelict viewing deck. There, through the thick quartz, he saw them: a school of silver-finned "Gliders" moving in perfect unison, not to the city’s Pulse, but to this new, erratic beat. They moved like liquid mercury, splitting and reconvening in patterns that defied the ocean currents.

The city of Ocea didn’t sleep; it vibrated. Deep beneath the surface of the Pacific, the bioluminescent skyscrapers glowed with a rhythmic hum. Every citizen’s life was governed by the Pulse —a synchronized beat that kept the oxygen scrubbers turning and the transport pods gliding through the pressurized tubes. aquasplit_tik_tak

The phrase seems to refer to the synth-heavy, rhythmic track Tik Tak by the artist AQUASPLIT . He followed the sound to a derelict viewing deck