Further increased the amplitude by 0.2 dB and an extra 5 gain. This seems like a reasonable volume.

Increased the audio by 0.8 dB then raised the gain by 10.

I found a remastered mp3 and implemented it into the mod! It also loops seemlessly now (as the file length parallels mortification.wav).

Upped the gain by 5db for the time being, I couldn't hear it ingame as clearly as it should be.