As requested, here is the prelude in 10 different versions (digital / analog), you have to find them!
This test is simpler than the previous one; here you have the possibility to compare the sounds.
Let's see who will manage to guess. Since this test is easier, it will only be considered passed if the acoustic track(s) are recognized, and only one error is allowed for a digital track being mistaken for an acoustic one.
As always, I recommend using headphones or monitor speakers.
Have fun...
1. http://www.pianoconcerto.it/condivisione/analogicodigitalepreludiochopin/1.mp3
2. http://www.pianoconcerto.it/condivisione/analogicodigitalepreludiochopin/2.mp3
3. http://www.pianoconcerto.it/condivisione/analogicodigitalepreludiochopin/3.mp3
4. http://www.pianoconcerto.it/condivisione/analogicodigitalepreludiochopin/4.mp3
5. http://www.pianoconcerto.it/condivisione/analogicodigitalepreludiochopin/5.mp3
6. http://www.pianoconcerto.it/condivisione/analogicodigitalepreludiochopin/6.mp3
7. http://www.pianoconcerto.it/condivisione/analogicodigitalepreludiochopin/7.mp3
8. http://www.pianoconcerto.it/condivisione/analogicodigitalepreludiochopin/8.mp3
9. http://www.pianoconcerto.it/condivisione/analogicodigitalepreludiochopin/9.mp3
10. http://www.pianoconcerto.it/condivisione/analogicodigitalepreludiochopin/10.mp3