connect(ui->playButton,SIGNAL(clicked()),this,SLOT(onPlay()));
connect(ui->removeButton,SIGNAL(clicked()),this,SLOT(onRemove()));
connect(ui->repeatButton,SIGNAL(clicked()),this,SLOT(onRepeat()));
connect(ui->playButton,SIGNAL(clicked()),this,SLOT(onPlay()));
connect(ui->removeButton,SIGNAL(clicked()),this,SLOT(onRemove()));
connect(ui->repeatButton,SIGNAL(clicked()),this,SLOT(onRepeat()));