Storage of Lists in JSON

[jayjoshi64]

ID formats :

Artists	( Artist )
Favourite Songs	( Song ,Album , Artist )
Albums	( Album , Artist )
Playlist	( Favourite song ID )

In file : (in JSON) for each user:

{ " Artist ": 
              { "Ed Sheeran " :
                                      { "albumsID" : [ ids of album ] ,
                                         "songsID"  : [ ids of songs ] 
                                      } ,
                   .
                   .
                   .
              }
  " Albums " : 
              { " albumsID" : [ ids of songs] ,
              }
  " Songs " :
             { " songsID " : 
                                    { " location ": String ,
                                      " tags " [ tagIDs ] 
                                    }

             }
}