class Song {
	private String title;
	private String artist;
	private int duration;
	private String genre;

	public Song(String t, String a, int d, String g) {
		title = t;
		artist = a;
		duration = d;
		genre = g;
	}

	public String getTitle() { return title; }
	public String getArtist() { return artist; }
	public int getDuration() { return duration; }
	public String getGenre() { return genre; }

	public String toString() {
		return "[" +
			title + "," +
			artist + "," +
			duration + "," +
			genre + "]";
	}
}  
// end of Song class