NON_SIGNED_ARTIST_TABLE = "T_NON_SIGNED_ARTIST"
NON_SIGNED_TRACK_TABLE = "T_NON_SIGNED_TRACK"
NON_SIGNED_ARTIST_DIFF_TABLE = "DIFF_NOT_SIGNED_ARTIST"
NON_SIGNED_ARTIST_GENRE_TABLE = "NON_SIGNED_ARTIST_GENRE"
NON_SIGNED_TRACK_GENRE_TABLE = "NON_SIGNED_TRACK_GENRE"