public Song(Artist artist, string title)
{
if (title == null || artist == null) throw new ArgumentNullException();
Artist = artist;
Title = title;
}
public Song()
{
Artist = new Artist();
Title = "No titel";
}
public Song(Artist artist, string title)
{
if (title == null || artist == null) throw new ArgumentNullException();
Artist = artist;
Title = title;
}
public Song()
{
Artist = new Artist();
Title = "No titel";
}