XDocument doc = new XDocument
                    (new XElement("Songs",
                      files.Select(file =>
                       new XElement("Song",
                        (new XElement("Title", (TagLib.File.Create(file).Tag.Title))),
                        (new XElement("Path", (file))),
                        (new XElement("Artist", (TagLib.File.Create(file).Tag.Performers)))
                        ))));
                doc.Save("D:\\files.xml");