MuDBase/server/models/artist.js

module.exports = (sequelize, DataTypes) => {
  var Artist = sequelize.define('Artist', {
    name: DataTypes.STRING,
    storeLinks: DataTypes.JSON,
  });

  Artist.associate = function (models) {
    models.Artist.belongsToMany(models.Song, { through: "SongArtists" });
    models.Artist.belongsToMany(models.Album, { through: "AlbumArtists" });
    models.Artist.belongsToMany(models.Tag, { through: 'ArtistTags' });
  };

  return Artist;
};