private void _viewPlayList_Add(object sender, EventArgs e)
{
OpenFileDialog openfile = new OpenFileDialog();
openfile.Multiselect = true;
openfile.Filter = "mp3|*.mp3";
openfile.ShowDialog();
foreach (var item in openfile.FileNames)
{
Track myTrack = new Track(item);
sounds.AddTrack(myTrack);
}
}