Cool Charged Creeper Sounds When it Explodes

So the Creeper is charged, it does more damage to the terrain and the creatures who are close enough to it but is that really it? I believe that the Charged Creeper should get a cool sound effect when it explodes, also when it’s about to explode. It should have this electric charge when it’s about to blow and when it does, it makes a sound barrier breaking sound and there’s little electric sounds in the background. Sorry for me not explaining this well but hopefully you guys can come up with something similar to what I'm trying to say.