{
  "type": "author",
  "site": {
    "name": "Kołczan Książek",
    "language": "pl-PL",
    "url": "https://www.kolczanksiazek.pl"
  },
  "formats": "Każda podstrona ma dwie wersje z tymi samymi danymi: JSON (adres strony + .json) i markdown (adres strony + .md). Do każdego `url` w tym dokumencie można dopisać .json albo .md.",
  "name": "Johann Sebastian Bach",
  "slug": "johann-sebastian-bach",
  "url": "https://www.kolczanksiazek.pl/johann-sebastian-bach",
  "json": "https://www.kolczanksiazek.pl/johann-sebastian-bach.json",
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  "image": null,
  "books_count": 2,
  "languages_count": 4,
  "countries_count": 4,
  "books": [
    {
      "title": "Innwencje 3 głosowe na fortepian",
      "subtitle": null,
      "slug": "innwencje-3-glosowe-na-fortepian",
      "url": "https://www.kolczanksiazek.pl/johann-sebastian-bach/innwencje-3-glosowe-na-fortepian",
      "first_published": "2026-01-01",
      "series": null
    },
    {
      "title": "Adagio z Toccaty, Adagio i Fugi C-dur, BWV 564 PWM",
      "subtitle": null,
      "slug": "adagio-z-toccaty-adagio-i-fugi-c-dur-bwv-564-pwm",
      "url": "https://www.kolczanksiazek.pl/johann-sebastian-bach/adagio-z-toccaty-adagio-i-fugi-c-dur-bwv-564-pwm",
      "first_published": "2000-01-01",
      "series": null
    }
  ],
  "translations": null,
  "narrations": null
}