curl --request GET \
  --url http://localhost:6063/smart-playlists/{id}/tracks

[
  {
    "id": "<string>",
    "path": "<string>",
    "title": "<string>",
    "artist": "<string>",
    "album": "<string>",
    "album_artist": "<string>",
    "composer": "<string>",
    "genre": "<string>",
    "year": 123,
    "year_string": "<string>",
    "track_number": 123,
    "disc_number": 123,
    "length": 123,
    "filesize": 123,
    "bitrate": 123,
    "frequency": 123,
    "album_id": "<string>",
    "artist_id": "<string>",
    "genre_id": "<string>",
    "album_art": "<string>",
    "md5": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  }
]