This mod will replace the annoying and boring level up sound with Aku Aku from crash bandicoot 

Install

just download and extract to your game directory 

open your fallout.ini found in my documents/games/fallout4

Change/add this line if not done already  to make sure it has , SOUND/

[sResourceDataDirsFinal=STRINGS\, MESHES\, TEXTURES\, MUSIC\, SOUND\, INTERFACE\]