text: var mongoose = require('mongoose');
  
  // Artist Schema
  var ArtistSchema = new mongoose.Schema({
      fname: 			{ type: String, required: true },
  	lname:  		{ type: String, required: true },
  	date_created: 	{ type : Date },
  	last_modified: 	{ type: Date },
  	nationality: 	{ type: String, required: true },
  	musics:   		[{ type: mongoose.Schema.Types.ObjectId, ref: 'Music' }],
  	albums: 		[{ type: mongoose.Schema.Types.ObjectId, ref: 'Album' }]
  	
  }, {timestamps: { createdAt: 'date_created', updatedAt: 'last_modified' } });
  
  //Export Artist Schema
  module.exports = mongoose.model('Artist', ArtistSchema);