{
  "type": "book",
  "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.",
  "title": "Łatwe bluesy na akordeon",
  "subtitle": null,
  "slug": "latwe-bluesy-na-akordeon",
  "url": "https://www.kolczanksiazek.pl/a-czestochowski/latwe-bluesy-na-akordeon",
  "json": "https://www.kolczanksiazek.pl/a-czestochowski/latwe-bluesy-na-akordeon.json",
  "markdown": "https://www.kolczanksiazek.pl/a-czestochowski/latwe-bluesy-na-akordeon.md",
  "authors": [
    {
      "name": "A. Częstochowski",
      "slug": "a-czestochowski",
      "url": "https://www.kolczanksiazek.pl/a-czestochowski"
    }
  ],
  "language": "pl_PL",
  "original_title": null,
  "original_language": null,
  "first_published": "2025-01-01",
  "genres": [],
  "series": [],
  "cover": "https://quivercdn.com/covers/wydawnictwo-muzyczne-contra/a-czestochowski/latwe-bluesy-na-akordeon_979-08-0720-042-0-917e3665.webp?v=2026-08-28%2003%3A53%3A35",
  "description": "spis bluesów:1. Morgan C. - Blues;2. Mehr L. W. - Alabama Blues;3. Kendall D. - Black Eyed Blues;4. Surber G. A. - Border Blues;5. Gurdner O. - Chinese Blues;6. Meineken F. - Clover Blossom Blues;7. White J. - Flower Garden Blues;8. Cobb G. I. - Good Bye Blues;9. Motzan O. - Hawaiian Blues;10. Olsen...",
  "editions": [
    {
      "title": "Łatwe bluesy na akordeon",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/a-czestochowski/latwe-bluesy-na-akordeon/9790807200420",
      "publisher": "Wydawnictwo Muzyczne Contra",
      "publisher_series": [],
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "979-08-0720-042-0",
      "pages": 64,
      "published": "2025-01-01",
      "language": "pl_PL",
      "cover": "https://quivercdn.com/covers/wydawnictwo-muzyczne-contra/a-czestochowski/latwe-bluesy-na-akordeon_979-08-0720-042-0-917e3665.webp?v=2026-08-28%2003%3A53%3A35"
    }
  ],
  "other_languages": [],
  "characters": [],
  "chapters": []
}