Concert Poster
September 16, 1966
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. Two-night Matrix stand Sep 16-17.
Were You There?
Do you have memories of this show? On This Day in Art Rock History celebrates the people who lived through the psychedelic era. Your stories and collections matter to this archive.
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