The Composer Wing

What it is

Per-composer aggregator pages at /composers/[slug] + index at /composers. Pulls every excerpt by Bach, Mozart, Strauss, etc across all four string instruments and renders an instrument-grouped list with deep-link CTAs into the per-excerpt practice surfaces. Targets fat long-tail queries like 'bach cello suites practice' or 'mozart violin concerto audition' that don't fit the per-instrument page (too narrow) or per-excerpt page (too specific). New lib/composers.ts catalog with composerSlug() + listAllComposers() + groupComposerByInstrument() — pure aggregation over EXCERPTS, no DB. CollectionPage + LearningResource JSON-LD. Sitemap auto-extends as new excerpts ship.