Concert Poster
September 12, 1967
Poster
Verification Notes
antagonist: PASS — bill/date corroborated against chickenonaunicycle per-venue list (refreshed 2026-09-07) plus a second independent source; single-source or wiki-only claims hedged in prose, not asserted. N1 of a Sep 12-14 residency. Lights billed as "Lights by Gum". No poster — Matrix was a residency room.
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