3 ms·

There was a guy who was able to recognize music just by looking at grooves of vinyl recording https://en.wikipedia.org/wiki/Arthur_Lintgen https://en.wikipedia.

• m463 11mo ago
  I remember being able to recognize one song on vinyl. It was a (telarc I think?) recording of the 1812 overture. The grooves were wide where the canons went off, so that the needle could deflect enough to capture the dynamic range. You could see the waveform. I think of "Surely You're Joking Mr. Feynman" where people could sniff like a bloodhound. Feynman would have people handle books, and he could tell which ones had been handled. I think there are things that just trying would be successful more than you think.