private void OnSearchForSameArtist (object o, EventArgs args)
{
if (current_source != null) {
foreach (TrackInfo track in current_source.TrackModel.SelectedItems) {
if (!String.IsNullOrEmpty (track.ArtistName)) {
ActiveSource.FilterQuery = BansheeQuery.ArtistField.ToTermString (":", track.ArtistName);
}
break;
}
}
}