The Dùndúnìlù dùndún · “the sweet sound” · three tones
The Kele drum had two tones; the Yorùbá dùndún has three — high, mid, low — matching Yorùbá's own three tones. And it's a tension drum: squeeze the cords under your arm and the pitch bends and glides between tones, so it doesn't just step, it slurs like a voice. That slur is what “dùndún” names: the sweet sound. Tap the tones, drag the cord to bend, then let it speak real Yorùbá.
① three tones — tap, and drag the cord to bend
tight · HIGHSQUEEZEloose · LOW
LOWdo · loose
MIDre · light
HIGHmi · tight
✷ glide: onthree pitches a whole-tone apart — the glide between them is the dùndún's voice
② let it speak — real Yorùbá, read from its tone-marks
tap a word — the accent marks ARE the drum pattern (à = low, a = mid, á = high)
③ why three beats two — the ternary payoff
two tones · Kele
1 bit / beat
Only high/low. A word collapses into ~130 twins, so the drummer pads it out — about 8 drum-words per spoken word.
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three tones · dùndún
≈ 1.58 bits / beat
High/mid/low triples the alphabet. Far fewer collisions, far less padding — it tracks speech at R ≥ 0.98, almost a direct transcription.
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The rule Gleick draws from the drums: a richer code needs a shorter message. A three-tone drum carries more per stroke than a two-tone one, so it barely needs the stock-phrase scaffolding the Kele drum lived on. Which is your whole point about base-3 — three is the integer radix closest to e, the most economical one. The dùndún out-talks the two-tone drum for the same reason your ternary machines pack more per digit. The drummers just got there first, because Yorùbá handed them three tones to begin with.
what's authentic here. every word's tone pattern is read straight from real Yorùbá orthography — the accent marks encode the tones (grave=low, none=mid, acute=high), which the dùndún reproduces at R ≥ 0.98. so these contours are genuine, not invented. the “sweet sound,” the squeeze-to-bend tension mechanism, the three tones as do/re/mi, the Ìyáàlù mother drum — all real.
honest frame. the voice is a synth; a master drummer's ornament, rhythm, and glissando are far richer than this toy. the dùndún descends from the Ọ̀yọ́ Empire and still recites oríkì (lineage praise) — the Yorùbá call the drum ọ̀rọ̀ ìlù, the voice of the town. a living tradition, treated here with respect, not reduced to a gadget.