connect (ui->albumsSortAButton, SIGNAL(toggled(bool)), this, SLOT(_set_album_sorting_alphabet(bool)));
connect (ui->albumsSortDButton, SIGNAL(toggled(bool)), this, SLOT(_set_album_sorting_date(bool)));
connect (ui->showTrackLenghtNButton, SIGNAL(toggled(bool)), this, SLOT(_set_track_lenght_show_no(bool)));
connect (ui->showTrackLenghtYButton, SIGNAL(toggled(bool)), this, SLOT(_set_track_lenght_show_yes(bool)));
connect (ui->albumsSortAButton, SIGNAL(toggled(bool)), this, SLOT(_set_album_sorting_alphabet(bool)));
connect (ui->albumsSortDButton, SIGNAL(toggled(bool)), this, SLOT(_set_album_sorting_date(bool)));
connect (ui->showTrackLenghtNButton, SIGNAL(toggled(bool)), this, SLOT(_set_track_lenght_show_no(bool)));
connect (ui->showTrackLenghtYButton, SIGNAL(toggled(bool)), this, SLOT(_set_track_lenght_show_yes(bool)));