Song

The song data object is a structured representation of a musical composition, capturing essential information about the song, such as its authors, album, duration, genre, release date, record label, lyrics, copyright, International Standard Recording Code (ISRC), and explicit language flag. This data structure allows for the organized storage and retrieval of song information, facilitating tasks like music cataloging, searching, and analysis.

The song data object encompasses various types of contributors, including composers, lyricists, producers, and instrumentalists, by storing their roles and references to their unique IDs. In addition, the object provides references to other related data structures, such as the album and record label, enabling a connected and comprehensive representation of the song and its context.

Data structure

Field	Type	Description	Mandatory	Reference
authors	array of authorObject	Array of author objects	Yes
album	CDID	The album on which the song appears.	No	set.album
duration	float	The duration of the song in minutes and seconds.	Yes
genre	string	The genre of the song.	No
releaseDate	Date	The date on which the song was released.	No
label	CDID	The record label that released the song.	No
lyrics	string	The lyrics of the song.	No
copyright	string	The copyright information for the song.	No
ISRC	string	The International Standard Recording Code for the song.	No
explicit	boolean	Indicates whether the song contains explicit language.	No

Author Object

Field	Type	Description	Manadtory	Reference
actor	CDID	Actor that is author of the song	Yes	Actor
role	string	Role of the author	Yes

Example

"song": {
  "authors": [
    {
      "actor": "4E1FCC73-5C7F-4D8F-965B-DB5F5B5B42D5",
      "role": "composer"
    },
    {
      "actor": "2E0A6C83-FC37-42A2-8D97-1F65FCD58AC9",
      "role": "guitarist"
    },
    {
      "actor": "E8E203F7-BDBA-4D1E-BFDF-6A2A6FA3B3A9",
      "role": "bassist"
    },
    {
      "actor": "9FDB2C12-3C3D-44AE-8B8B-7AE64836DCE4",
      "role": "drummer"
    }
  ],
  "album": "B14A9A67-56C6-4C6A-BF6A-4206F3D22A88",
  "duration": 5.55,
  "genre": "Rock",
  "releaseDate": "1975-10-31",
  "label": "8F3F9A84-0C3B-49F3-B15F-7E0C4D0C7C11",
  "lyrics": "Is this the real life? Is this just fantasy?...",
  "copyright": "© 1975 Queen Music Ltd.",
  "ISRC": "GBUM71029604",
  "explicit": false
}