You may be interested in this phenomenon … https ://en.wikipedia.org/wiki/Fletcher–Munson_curves
The “amplify” effect sets volume of the entire track according to the loudest peak in that track,
( so one stray loud peak knocks everything out of whack ).
“RMS normalization” gives a more reliable way of getting one track to be as loud as another.
“Replay gain” is better still, see … ReplayGain plug-in