Easy way to add songs in winamp playlist

This is easy trick to add songs to Winamp playlist without clearing current playlist.
This trick only works on Windows XP and earlier versions.
Firstly, Winamp is already installed on your system. Be sure that audio files like mp3 are associated to winamp (default winamp files).
In Windows Explorer, click Folder Options in Tools Menu. After the box appeared, click File Types Tab then search mp3 files (or other winamp files) in registered file types list.
Click Advanced then choose "Enqueque in Winamp" then click Set Default.
Finally, click OK and Close.
Let's try. When you double click Winamp Files, the files automatically will add to current playlist without delete current playlist.
Thanx.