MusicLib to XML

using System;
using iTunesLib;
using System.Xml;
using System.Xml.Linq;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using TagLib;
using ITLRU;
using System.Xml.Serialization;
namespace BackupLib
{
    class Program
    {
      static void Main(string[] args)
        {
            // iTunes classes
            iTunesAppClass itunes = new iTunesAppClass();
            IITLibraryPlaylist mainLibrary = itunes.LibraryPlaylist;
            IITTrackCollection ittracks = mainLibrary.Tracks;
            List<string> files = new List<string>();
            List<string> musicfiles = new List<string>();
            List<string> badfiles = new List<string>();

          int state = (int)itunes.PlayerState;
          //Console.Write(state); System.Threading.Thread.Sleep(5500);

          if (state == 1){ Console.Write("Itunes will be Pausing to ensure Data Integrity");System.Threading.Thread.Sleep(5500); itunes.Pause(); }
          //Console.WriteLine state;

          string[] extensions = { "*.mp3", "*.mp4", "*.m4a", "*.m4v", "*.m4p", "*.m4b", "*.flac"};
            string filepath = "G:\\iTunes Media";
            foreach (string extension in extensions)
            {
                files.AddRange(Directory.GetFiles(filepath, extension, SearchOption.AllDirectories));
            }

            foreach (string file in files)
            {
                try {string taglibfile = TagLib.File.Create(file).Tag.Title; musicfiles.Add(file); Console.WriteLine(taglibfile); }
                catch {badfiles.Add(file); }
            }

            //string pattern = "[\\~#%&*{}/:<>?|\"-]";
            //string replacement = "_";
            //Regex regEx = new Regex(pattern);
            //string sanitized = Regex.Replace(regEx.Replace(input, replacement), @"\s+", " ");

          XDocument baddoc = new XDocument
                (new XElement("Corrupt",
                    badfiles.Select(badfile =>
                    new XElement("File", badfile))));
                baddoc.Save("D:\\badfiles.xml");
          // foreach(string musicfile in musicfiles)
           //{ String Title = (TagLib.File.Create(musicfile).Tag.Title); }

          XDocument doc = new XDocument
              //foreach(string musicfile in musicfiles){
              //string Title = (TagLib.File.Create(musicfile).Tag.Title);
              //}
              (new XElement("Songs",
                   musicfiles.Select(musicfile=>
                    new XElement("Song",
                   (new XElement("Title",(TagLib.File.Create(musicfile).Tag.Title))),
                   (new XElement("Path", (musicfile))),
                   (new XElement("Artist",(TagLib.File.Create(musicfile).Tag.Performers)))
                   ))));

          doc.Save("D:\\files.xml");
                itunes.Play();
        }
    }
}