From Surgipelago, the Beach Surgery encyclopedia
The Kano Frequency Sculptures (Lost Installation, 1987)
Status: demolished 1994; photographic archive survives. Rumored connection to Beach Surgery disputed. See Retro-causal apocrypha for context.
Sauti Mabadiliko ("Changing Voices") was a site-specific installation comprising tuned radio receivers, hand-carved wooden resonance boxes, and live ceremonial music, created in Kano, Nigeria, in autumn 1987. It predates the novel by thirty-three years. Its connection to Beach Surgery remains contested in fandom.
The credited artist—Adekunle Fariola, or possibly a collaborative name (records are incomplete)—designed the work to broadcast live Hausa algaita (oboe) and kalangu (talking-drum) music through custom tuning-fork receivers buried in the courtyard soil. A surviving cassette fragment— magnetic audio largely unrecoverable —preserves fragmentary speech: "Voices that change according to where you stand." Visitors moved between stations, each producing different harmonic resonances tied to location.
The work was demolished when the gallery relocated in 1994. A 2019 retrospective at Kano National Museum sparked renewed interest among Beach Surgery scholars. Theorist Fatima Al-Rashid proposed “Fariola's spatial mapping of voice and frequency is clearly a precursor to Smith's Kármán-line concept—the idea that location determines what can be heard”. Others dismiss the resemblance as coincidence. Smith has not commented. The artist's current whereabouts and original intent remain unknown. [citation needed]