There is no undo that I have seen but I’ve never had an issue. Having said that I’ve always got ways to get the file back easily. I’ve been using MP3Gain for years (when I first got an MP3 Walkman I found I was constantly going for the volume but not after using MP3Gain).

Tony


HP i7-4770 16GB 1TB SSD, Win 10 Home,
Focusrite 2i2 3rd Gen, Launchkey 61, Maton CW80, Telecaster, Ovation Elite TX, Yamaha Pacifica 612
BB 2022(912) RB 2022(2), CakeWalk, Reaper 6, Audacity, Melodyne 5 Editor, Izotope Music Production Suite 4.1