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Publish the Obsidian vault's Knowledge folder as /knowledge (881 notes, 67 folders), with a Knowledge item in the nav and footer. - scripts/import_knowledge.py regenerates data/knowledge from the vault: slugged paths, folder notes as index pages, wikilinks resolved to site links (or plain text), callouts, highlights, and Dataview tables rendered statically. Personal notes are withheld via an exclusion list plus a privacy guard. - tuftecms/core/knowledge.py builds a concept index from note titles and aliases. First mentions on ordinary pages link to their Knowledge note (capped, never in headings, code, links, or sidenotes); Knowledge pages list related notes and where they're mentioned across the site; other pages get a Related Knowledge block. - Knowledge URLs join sitemap.xml (so the sweep test covers them), never displace existing legacy slugs, list alphabetically, and mermaid diagrams render client-side only on pages that have them.
42 lines
3.7 KiB
Markdown
42 lines
3.7 KiB
Markdown
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description: Notes stacked into colour, colours strung into motion.
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source: obsidian-knowledge
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# Chords & Progressions
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> *Notes stacked into colour, colours strung into motion.*
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If a [scale](/knowledge/music/scales-and-modes) is the palette, a **chord** is a colour mixed from it — three or more notes sounded together, built by stacking thirds — and a **progression** is a sequence of those colours in motion, the harmonic sentence a song speaks. Chords give a moment its mood; progressions give a piece its journey, setting up tension and releasing it through the pull of the cadence. Together with [Scales & Modes](/knowledge/music/scales-and-modes) and [Musical Keys](/knowledge/music/musical-keys), they are the working grammar of harmony — the same structures pytheory builds in code.
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---
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## Chords
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**Triads** — [Major Triad](/knowledge/music/chords-and-progressions/chords/major-triad) · [Minor Triad](/knowledge/music/chords-and-progressions/chords/minor-triad) · [Diminished Triad](/knowledge/music/chords-and-progressions/chords/diminished-triad) · [Augmented Triad](/knowledge/music/chords-and-progressions/chords/augmented-triad) · [Suspended Chords](/knowledge/music/chords-and-progressions/chords/suspended-chords) · [Power Chord](/knowledge/music/chords-and-progressions/chords/power-chord)
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**Sevenths** — [Major Seventh](/knowledge/music/chords-and-progressions/chords/major-seventh) · [Dominant Seventh](/knowledge/music/chords-and-progressions/chords/dominant-seventh) · [Minor Seventh](/knowledge/music/chords-and-progressions/chords/minor-seventh) · [Half-Diminished Seventh](/knowledge/music/chords-and-progressions/chords/half-diminished-seventh) · [Diminished Seventh](/knowledge/music/chords-and-progressions/chords/diminished-seventh) · [Minor-Major Seventh](/knowledge/music/chords-and-progressions/chords/minor-major-seventh)
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**Colour & extension** — [Sixth Chords](/knowledge/music/chords-and-progressions/chords/sixth-chords) · [Extended Chords](/knowledge/music/chords-and-progressions/chords/extended-chords)
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## Progressions
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**The essentials** — [I-IV-V](/knowledge/music/chords-and-progressions/progressions/i-iv-v) · [ii-V-I](/knowledge/music/chords-and-progressions/progressions/ii-v-i) · [Twelve-Bar Blues](/knowledge/music/chords-and-progressions/progressions/twelve-bar-blues) · [Cadences](/knowledge/music/chords-and-progressions/progressions/cadences)
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**Pop & rock** — [I-V-vi-IV](/knowledge/music/chords-and-progressions/progressions/i-v-vi-iv) · [vi-IV-I-V](/knowledge/music/chords-and-progressions/progressions/vi-iv-i-v) · [Fifties Progression](/knowledge/music/chords-and-progressions/progressions/fifties-progression) · [Royal Road Progression](/knowledge/music/chords-and-progressions/progressions/royal-road-progression)
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**Deeper cuts** — [Circle of Fifths Progression](/knowledge/music/chords-and-progressions/progressions/circle-of-fifths-progression) · [Andalusian Cadence](/knowledge/music/chords-and-progressions/progressions/andalusian-cadence) · [Pachelbel's Canon](/knowledge/music/chords-and-progressions/progressions/pachelbels-canon) · [Backdoor Progression](/knowledge/music/chords-and-progressions/progressions/backdoor-progression)
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## Related
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- [Chords](/knowledge/music/chords-and-progressions/chords) — the chord folder's own index
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- [Progressions](/knowledge/music/chords-and-progressions/progressions) — the progression folder's own index
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- [Scales & Modes](/knowledge/music/scales-and-modes) — the palette chords are drawn from
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- [Musical Keys](/knowledge/music/musical-keys) — the key a progression lives in
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- pytheory — chords and harmony as a Python library
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- [Music Hub](/knowledge/music)
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