Yemisi Strand-Kowalczyk is a solo neural-feed composer operating out of a converted water treatment node in the Circuit's eastern ward, active since 2211. Her work layers Yoruba talking-drum rhythms against glacially slow Nordic drone progressions, all threaded through a custom BCI rig that translates her REM-state neural activity into melodic data in real time. The result is something listeners describe as 'being held still by something enormous' — slow, tidal, emotionally precise music that arrives not through speakers but directly into the auditory cortex with haptic undertones that simulate the feeling of cold water rising.

Strand-Kowalczyk releases exclusively through pirate neural feed under the handle STRAND/SIGNAL, refusing all Vantablack overtures despite significant pressure. Her 2218 long-form piece 'Sediment' — a 74-minute composition designed to be experienced during sleep — became a Circuit phenomenon after dock workers started trading the feed chip as a sleep aid. She has never performed live, communicating only through encrypted text drops on mesh boards. Her identity as a Circuit resident was confirmed only when Vantablack security attempted a feed-block that she publicly routed around in real time.