ui->sortAlphAscButton->setIcon(QIcon(":/icons/"+icons_theme+"/sort_alpha_asc.png"));
ui->sortAlphDescButton->setIcon(QIcon(":/icons/"+icons_theme+"/sort_alpha_desc.png"));
ui->artistsButton->setIcon(QIcon(":/icons/"+icons_theme+"/artists.png"));
+ _track_renderer->updateIcons();
}