public boolean existMusic(String nome, String album){
    
        boolean exist=false;
        for(int i=0; i<musicsList.size() && !exist; i++){
            if(musicsList.get(i).getName().equalsIgnoreCase(nome) && 
                    musicsList.get(i).getAlbum().equalsIgnoreCase(album)){
            
                exist=true;
            }
        }
        
        return exist;
    }