private static void insertSongs(int count) {
    	int processors = Runtime.getRuntime().availableProcessors();
    	Thread[] threads = new Thread[processors];
		int size = count / 2;
    	for(int i = 0; i < processors; i++) {
    		threads[i] = new InsertThread(size, size * i);
    		threads[i].start();
    	}
    	
    	for(Thread t : threads) {
    		try {
				t.join();
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
    	}
    }