connect(ui->playlistButton,SIGNAL(clicked()),mPlayListMainWindow,SLOT(show()));
connect(ui->playlistButton,SIGNAL(clicked()),mPlayListMainWindow,SLOT(showPlayList()));
connect(ui->browseButton,SIGNAL(clicked()),mBrowserMainWindow,SLOT(show()));
connect(ui->playlistButton,SIGNAL(clicked()),mPlayListMainWindow,SLOT(show()));
connect(ui->playlistButton,SIGNAL(clicked()),mPlayListMainWindow,SLOT(showPlayList()));
connect(ui->browseButton,SIGNAL(clicked()),mBrowserMainWindow,SLOT(show()));