How do you mean? With age, one can hear less and less very high frequencies (above 10kHz), but those are not that critical for music. There are lots of old cond

How do you mean? With age, one can hear less and less very high frequencies (above 10kHz), but those are not that critical for music. There are lots of old conductors who can hear 100x more details that I ever had. Many studio engineers for super popular pop records are above 50. Most of the listening is actually in the brain.