(There are some files for mods, but I tested this in vanilla minecraft). I made custom explosion sounds, and set off a bunch of TNT. After they finished exploding, a random explosion sounds will go off where the TNT exploded about every 5 seconds and it takes a long time for this to stop.
Here's a copy of my resource pack: https://www.dropbox.com/s/zywqwyhc3p1wf70/dragon3025%201.12.zip?dl=0
(There are some files for mods, but I tested this in vanilla minecraft). I made custom explosion sounds, and set off a bunch of TNT. After they finished exploding, a random explosion sounds will go off where the TNT exploded about every 5 seconds and it takes a long time for this to stop.